public class Test{public static void main(String[] args){double a1,a2,a3,a4,a5,a6,a7,a8,a9,a10,a11,a12,a13,a14,a15,a16,a17,a18,a19,a20,a21,a22,a23,a24,a25,a26,a27,a28,a29,a30,a31,a32,a33,a34,a35,a36,a37,a38,a39,a40,a41,a42,a43,a44,a45,a46,a47,a48,a49,a50,a51,a52,a53,a54,a55,a56,a57,a58,a59,a60,a61,a62,a63,a64,a65,a66,a67,a68,a69,a70,a71,a72,a73,a74,a75,a76,a77,a78,a79,a80,a81,a82,a83,a84,a85,a86,a87,a88,a89,a90,a91,a92,a93,a94,a95,a96,a97,a98,a99,a100,a101,a102,a103,a104,a105,a106,a107,a108,a109,a110,a111,a112,a113,a114,a115,a116,a117,a118,a119,a120,a121,a122,a123,a124,a125,a126,a127,a128,a129,a130,a131,a132,a133,a134,a135,a136,a137,a138,a139,a140,a141,a142,a143,a144,a145,a146,a147,a148,a149,a150,a151,a152,a153,a154,a155,a156,a157,a158,a159,a160,a161,a162,a163,a164,a165,a166,a167,a168,a169,a170,a171,a172,a173,a174,a175,a176,a177,a178,a179,a180,a181,a182,a183,a184,a185,a186,a187,a188,a189,a190,a191,a192,a193,a194,a195,a196,a197,a198,a199,a200,a201,a202,a203,a204,a205,a206,a207,a208,a209,a210,a211,a212,a213,a214,a215,a216,a217,a218,a219,a220,a221,a222,a223,a224,a225,a226,a227,a228,a229,a230,a231,a232,a233,a234,a235,a236,a237,a238,a239,a240,a241,a242,a243,a244,a245,a246,a247,a248,a249,a250,a251,a252,a253,a254,a255,a256,a257,a258,a259,a260,a261,a262,a263,a264,a265,a266,a267,a268,a269,a270,a271,a272,a273,a274,a275,a276,a277,a278,a279,a280,a281,a282,a283,a284,a285,a286,a287,a288,a289,a290,a291,a292,a293,a294,a295,a296,a297,a298,a299,a300,a301,a302,a303,a304,a305,a306,a307,a308,a309,a310,a311,a312,a313,a314,a315,a316,a317,a318,a319,a320,a321,a322,a323,a324,a325,a326,a327,a328,a329,a330,a331,a332,a333,a334,a335,a336,a337,a338,a339,a340,a341,a342,a343,a344,a345,a346,a347,a348,a349,a350,a351,a352,a353,a354,a355,a356,a357,a358,a359,a360,a361,a362,a363,a364,a365,a366,a367,a368,a369,a370,a371,a372,a373,a374,a375,a376,a377,a378,a379,a380,a381,a382,a383,a384,a385,a386,a387,a388,a389,a390,a391,a392,a393,a394,a395,a396,a397,a398,a399,a400,a401,a402,a403,a404,a405,a406,a407,a408,a409,a410,a411,a412,a413,a414,a415,a416,a417,a418,a419,a420,a421,a422,a423,a424,a425,a426,a427,a428,a429,a430,a431,a432,a433,a434,a435,a436,a437,a438,a439,a440,a441,a442,a443,a444,a445,a446,a447,a448,a449,a450,a451,a452,a453,a454,a455,a456,a457,a458,a459,a460,a461,a462,a463,a464,a465,a466,a467,a468,a469,a470,a471,a472,a473,a474,a475,a476,a477,a478,a479,a480,a481,a482,a483,a484,a485,a486,a487,a488,a489,a490,a491,a492,a493,a494,a495,a496,a497,a498,a499,a500,a501,a502,a503,a504,a505,a506,a507,a508,a509,a510,a511,a512,a513,a514,a515,a516,a517,a518,a519,a520,a521,a522,a523,a524,a525,a526,a527,a528,a529,a530,a531,a532,a533,a534,a535,a536,a537,a538,a539,a540,a541,a542,a543,a544,a545,a546,a547,a548,a549,a550,a551,a552,a553,a554,a555,a556,a557,a558,a559,a560,a561,a562,a563,a564,a565,a566,a567,a568,a569,a570,a571,a572,a573,a574,a575,a576,a577,a578,a579,a580,a581,a582,a583,a584,a585,a586,a587,a588,a589,a590,a591,a592,a593,a594,a595,a596,a597,a598,a599,a600,a601,a602,a603,a604,a605,a606,a607,a608,a609,a610,a611,a612,a613,a614,a615,a616,a617,a618,a619,a620,a621,a622,a623,a624,a625,a626,a627,a628,a629,a630,a631,a632,a633,a634,a635,a636,a637,a638,a639,a640,a641,a642,a643,a644,a645,a646,a647,a648,a649,a650,a651,a652,a653,a654,a655,a656,a657,a658,a659,a660,a661,a662,a663,a664,a665,a666,a667,a668,a669,a670,a671,a672,a673,a674,a675,a676,a677,a678,a679,a680,a681,a682,a683,a684,a685,a686,a687,a688,a689,a690,a691,a692,a693,a694,a695,a696,a697,a698,a699,a700,a701,a702,a703,a704,a705,a706,a707,a708,a709,a710,a711,a712,a713,a714,a715,a716,a717,a718,a719,a720,a721,a722,a723,a724,a725,a726,a727,a728,a729,a730,a731,a732,a733,a734,a735,a736,a737,a738,a739,a740,a741,a742,a743,a744,a745,a746,a747,a748,a749,a750,a751,a752,a753,a754,a755,a756,a757,a758,a759,a760,a761,a762,a763,a764,a765,a766,a767,a768,a769,a770,a771,a772,a773,a774,a775,a776,a777,a778,a779,a780,a781,a782,a783,a784,a785,a786,a787,a788,a789,a790,a791,a792,a793,a794,a795,a796,a797,a798,a799,a800,a801,a802,a803,a804,a805,a806,a807,a808,a809,a810,a811,a812,a813,a814,a815,a816,a817,a818,a819,a820,a821,a822,a823,a824,a825,a826,a827,a828,a829,a830,a831,a832,a833,a834,a835,a836,a837,a838,a839,a840,a841,a842,a843,a844,a845,a846,a847,a848,a849,a850,a851,a852,a853,a854,a855,a856,a857,a858,a859,a860,a861,a862,a863,a864,a865,a866,a867,a868,a869,a870,a871,a872,a873,a874,a875,a876,a877,a878,a879,a880,a881,a882,a883,a884,a885,a886,a887,a888,a889,a890,a891,a892,a893,a894,a895,a896,a897,a898,a899,a900,a901,a902,a903,a904,a905,a906,a907,a908,a909,a910,a911,a912,a913,a914,a915,a916,a917,a918,a919,a920,a921,a922,a923,a924,a925,a926,a927,a928,a929,a930,a931,a932,a933,a934,a935,a936,a937,a938,a939,a940,a941,a942,a943,a944,a945,a946,a947,a948,a949,a950,a951,a952,a953,a954,a955,a956,a957,a958,a959,a960,a961,a962,a963,a964,a965,a966,a967,a968,a969,a970,a971,a972,a973,a974,a975,a976,a977,a978,a979,a980,a981,a982,a983,a984,a985,a986,a987,a988,a989,a990,a991,a992,a993,a994,a995,a996,a997,a998,a999,a1000,a1001,a1002,a1003,a1004,a1005,a1006,a1007,a1008,a1009,a1010,a1011,a1012,a1013,a1014,a1015,a1016,a1017,a1018,a1019,a1020,a1021,a1022,a1023,a1024,a1025,a1026,a1027,a1028,a1029,a1030,a1031,a1032,a1033,a1034,a1035,a1036,a1037,a1038,a1039,a1040,a1041,a1042,a1043,a1044,a1045,a1046,a1047,a1048,a1049,a1050,a1051,a1052,a1053,a1054,a1055,a1056,a1057,a1058,a1059,a1060,a1061,a1062,a1063,a1064,a1065,a1066,a1067,a1068,a1069,a1070,a1071,a1072,a1073,a1074,a1075,a1076,a1077,a1078,a1079,a1080,a1081,a1082,a1083,a1084,a1085,a1086,a1087,a1088,a1089,a1090,a1091,a1092,a1093,a1094,a1095,a1096,a1097,a1098,a1099,a1100,a1101,a1102,a1103,a1104,a1105,a1106,a1107,a1108,a1109,a1110,a1111,a1112,a1113,a1114,a1115,a1116,a1117,a1118,a1119,a1120,a1121,a1122,a1123,a1124,a1125,a1126,a1127,a1128,a1129,a1130,a1131,a1132,a1133,a1134,a1135,a1136,a1137,a1138,a1139,a1140,a1141,a1142,a1143,a1144,a1145,a1146,a1147,a1148,a1149,a1150,a1151,a1152,a1153,a1154,a1155,a1156,a1157,a1158,a1159,a1160,a1161,a1162,a1163,a1164,a1165,a1166,a1167,a1168,a1169,a1170,a1171,a1172,a1173,a1174,a1175,a1176,a1177,a1178,a1179,a1180,a1181,a1182,a1183,a1184,a1185,a1186,a1187,a1188,a1189,a1190,a1191,a1192,a1193,a1194,a1195,a1196,a1197,a1198,a1199,a1200,a1201,a1202,a1203,a1204,a1205,a1206,a1207,a1208,a1209,a1210,a1211,a1212,a1213,a1214,a1215,a1216,a1217,a1218,a1219,a1220,a1221,a1222,a1223,a1224,a1225,a1226,a1227,a1228,a1229,a1230,a1231,a1232,a1233,a1234,a1235,a1236,a1237,a1238,a1239,a1240,a1241,a1242,a1243,a1244,a1245,a1246,a1247,a1248,a1249,a1250,a1251,a1252,a1253,a1254,a1255,a1256,a1257,a1258,a1259,a1260,a1261,a1262,a1263,a1264,a1265,a1266,a1267,a1268,a1269,a1270,a1271,a1272,a1273,a1274,a1275,a1276,a1277,a1278,a1279,a1280,a1281,a1282,a1283,a1284,a1285,a1286,a1287,a1288,a1289,a1290,a1291,a1292,a1293,a1294,a1295,a1296,a1297,a1298,a1299,a1300,a1301,a1302,a1303,a1304,a1305,a1306,a1307,a1308,a1309,a1310,a1311,a1312,a1313,a1314,a1315,a1316,a1317,a1318,a1319,a1320,a1321,a1322,a1323,a1324,a1325,a1326,a1327,a1328,a1329,a1330,a1331,a1332,a1333,a1334,a1335,a1336,a1337,a1338,a1339,a1340,a1341,a1342,a1343,a1344,a1345,a1346,a1347,a1348,a1349,a1350,a1351,a1352,a1353,a1354,a1355,a1356,a1357,a1358,a1359,a1360,a1361,a1362,a1363,a1364,a1365,a1366,a1367,a1368,a1369,a1370,a1371,a1372,a1373,a1374,a1375,a1376,a1377,a1378,a1379,a1380,a1381,a1382,a1383,a1384,a1385,a1386,a1387,a1388,a1389,a1390,a1391,a1392,a1393,a1394,a1395,a1396,a1397,a1398,a1399,a1400,a1401,a1402,a1403,a1404,a1405,a1406,a1407,a1408,a1409,a1410,a1411,a1412,a1413,a1414,a1415,a1416,a1417,a1418,a1419,a1420,a1421,a1422,a1423,a1424,a1425,a1426,a1427,a1428,a1429,a1430,a1431,a1432,a1433,a1434,a1435,a1436,a1437,a1438,a1439,a1440,a1441,a1442,a1443,a1444,a1445,a1446,a1447,a1448,a1449,a1450,a1451,a1452,a1453,a1454,a1455,a1456,a1457,a1458,a1459,a1460,a1461,a1462,a1463,a1464,a1465,a1466,a1467,a1468,a1469,a1470,a1471,a1472,a1473,a1474,a1475,a1476,a1477,a1478,a1479,a1480,a1481,a1482,a1483,a1484,a1485,a1486,a1487,a1488,a1489,a1490,a1491,a1492,a1493,a1494,a1495,a1496,a1497,a1498,a1499,a1500,a1501,a1502,a1503,a1504,a1505,a1506,a1507,a1508,a1509,a1510,a1511,a1512,a1513,a1514,a1515,a1516,a1517,a1518,a1519,a1520,a1521,a1522,a1523,a1524,a1525,a1526,a1527,a1528,a1529,a1530,a1531,a1532,a1533,a1534,a1535,a1536,a1537,a1538,a1539,a1540,a1541,a1542,a1543,a1544,a1545,a1546,a1547,a1548,a1549,a1550,a1551,a1552,a1553,a1554,a1555,a1556,a1557,a1558,a1559,a1560,a1561,a1562,a1563,a1564,a1565,a1566,a1567,a1568,a1569,a1570,a1571,a1572,a1573,a1574,a1575,a1576,a1577,a1578,a1579,a1580,a1581,a1582,a1583,a1584,a1585,a1586,a1587,a1588,a1589,a1590,a1591,a1592,a1593,a1594,a1595,a1596,a1597,a1598,a1599,a1600,a1601,a1602,a1603,a1604,a1605,a1606,a1607,a1608,a1609,a1610,a1611,a1612,a1613,a1614,a1615,a1616,a1617,a1618,a1619,a1620,a1621,a1622,a1623,a1624,a1625,a1626,a1627,a1628,a1629,a1630,a1631,a1632,a1633,a1634,a1635,a1636,a1637,a1638,a1639,a1640,a1641,a1642,a1643,a1644,a1645,a1646,a1647,a1648,a1649,a1650,a1651,a1652,a1653,a1654,a1655,a1656,a1657,a1658,a1659,a1660,a1661,a1662,a1663,a1664,a1665,a1666,a1667,a1668,a1669,a1670,a1671,a1672,a1673,a1674,a1675,a1676,a1677,a1678,a1679,a1680,a1681,a1682,a1683,a1684,a1685,a1686,a1687,a1688,a1689,a1690,a1691,a1692,a1693,a1694,a1695,a1696,a1697,a1698,a1699,a1700,a1701,a1702,a1703,a1704,a1705,a1706,a1707,a1708,a1709,a1710,a1711,a1712,a1713,a1714,a1715,a1716,a1717,a1718,a1719,a1720,a1721,a1722,a1723,a1724,a1725,a1726,a1727,a1728,a1729,a1730,a1731,a1732,a1733,a1734,a1735,a1736,a1737,a1738,a1739,a1740,a1741,a1742,a1743,a1744,a1745,a1746,a1747,a1748,a1749,a1750,a1751,a1752,a1753,a1754,a1755,a1756,a1757,a1758,a1759,a1760,a1761,a1762,a1763,a1764,a1765,a1766,a1767,a1768,a1769,a1770,a1771,a1772,a1773,a1774,a1775,a1776,a1777,a1778,a1779,a1780,a1781,a1782,a1783,a1784,a1785,a1786,a1787,a1788,a1789,a1790,a1791,a1792,a1793,a1794,a1795,a1796,a1797,a1798,a1799,a1800,a1801,a1802,a1803,a1804,a1805,a1806,a1807,a1808,a1809,a1810,a1811,a1812,a1813,a1814,a1815,a1816,a1817,a1818,a1819,a1820,a1821,a1822,a1823,a1824,a1825,a1826,a1827,a1828,a1829,a1830,a1831,a1832,a1833,a1834,a1835,a1836,a1837,a1838,a1839,a1840,a1841,a1842,a1843,a1844,a1845,a1846,a1847,a1848,a1849,a1850,a1851,a1852,a1853,a1854,a1855,a1856,a1857,a1858,a1859,a1860,a1861,a1862,a1863,a1864,a1865,a1866,a1867,a1868,a1869,a1870,a1871,a1872,a1873,a1874,a1875,a1876,a1877,a1878,a1879,a1880,a1881,a1882,a1883,a1884,a1885,a1886,a1887,a1888,a1889,a1890,a1891,a1892,a1893,a1894,a1895,a1896,a1897,a1898,a1899,a1900,a1901,a1902,a1903,a1904,a1905,a1906,a1907,a1908,a1909,a1910,a1911,a1912,a1913,a1914,a1915,a1916,a1917,a1918,a1919,a1920,a1921,a1922,a1923,a1924,a1925,a1926,a1927,a1928,a1929,a1930,a1931,a1932,a1933,a1934,a1935,a1936,a1937,a1938,a1939,a1940,a1941,a1942,a1943,a1944,a1945,a1946,a1947,a1948,a1949,a1950,a1951,a1952,a1953,a1954,a1955,a1956,a1957,a1958,a1959,a1960,a1961,a1962,a1963,a1964,a1965,a1966,a1967,a1968,a1969,a1970,a1971,a1972,a1973,a1974,a1975,a1976,a1977,a1978,a1979,a1980,a1981,a1982,a1983,a1984,a1985,a1986,a1987,a1988,a1989,a1990,a1991,a1992,a1993,a1994,a1995,a1996,a1997,a1998,a1999,a2000,a2001,a2002,a2003,a2004,a2005,a2006,a2007,a2008,a2009,a2010,a2011,a2012,a2013,a2014,a2015,a2016,a2017,a2018,a2019,a2020,a2021,a2022,a2023,a2024,a2025,a2026,a2027,a2028,a2029,a2030,a2031,a2032,a2033,a2034,a2035,a2036,a2037,a2038,a2039,a2040,a2041,a2042,a2043,a2044,a2045,a2046,a2047,a2048,a2049,a2050,a2051,a2052,a2053,a2054,a2055,a2056,a2057,a2058,a2059,a2060,a2061,a2062,a2063,a2064,a2065,a2066,a2067,a2068,a2069,a2070,a2071,a2072,a2073,a2074,a2075,a2076,a2077,a2078,a2079,a2080,a2081,a2082,a2083,a2084,a2085,a2086,a2087,a2088,a2089,a2090,a2091,a2092,a2093,a2094,a2095,a2096,a2097,a2098,a2099,a2100,a2101,a2102,a2103,a2104,a2105,a2106,a2107,a2108,a2109,a2110,a2111,a2112,a2113,a2114,a2115,a2116,a2117,a2118,a2119,a2120,a2121,a2122,a2123,a2124,a2125,a2126,a2127,a2128,a2129,a2130,a2131,a2132,a2133,a2134,a2135,a2136,a2137,a2138,a2139,a2140,a2141,a2142,a2143,a2144,a2145,a2146,a2147,a2148,a2149,a2150,a2151,a2152,a2153,a2154,a2155,a2156,a2157,a2158,a2159,a2160,a2161,a2162,a2163,a2164,a2165,a2166,a2167,a2168,a2169,a2170,a2171,a2172,a2173,a2174,a2175,a2176,a2177,a2178,a2179,a2180,a2181,a2182,a2183,a2184,a2185,a2186,a2187,a2188,a2189,a2190,a2191,a2192,a2193,a2194,a2195,a2196,a2197,a2198,a2199,a2200,a2201,a2202,a2203,a2204,a2205,a2206,a2207,a2208,a2209,a2210,a2211,a2212,a2213,a2214,a2215,a2216,a2217,a2218,a2219,a2220,a2221,a2222,a2223,a2224,a2225,a2226,a2227,a2228,a2229,a2230,a2231,a2232,a2233,a2234,a2235,a2236,a2237,a2238,a2239,a2240,a2241,a2242,a2243,a2244,a2245,a2246,a2247,a2248,a2249,a2250,a2251,a2252,a2253,a2254,a2255,a2256,a2257,a2258,a2259,a2260,a2261,a2262,a2263,a2264,a2265,a2266,a2267,a2268,a2269,a2270,a2271,a2272,a2273,a2274,a2275,a2276,a2277,a2278,a2279,a2280,a2281,a2282,a2283,a2284,a2285,a2286,a2287,a2288,a2289,a2290,a2291,a2292,a2293,a2294,a2295,a2296,a2297,a2298,a2299,a2300,a2301,a2302,a2303,a2304,a2305,a2306,a2307,a2308,a2309,a2310,a2311,a2312,a2313,a2314,a2315,a2316,a2317,a2318,a2319,a2320,a2321,a2322,a2323,a2324,a2325,a2326,a2327,a2328,a2329,a2330,a2331,a2332,a2333,a2334,a2335,a2336,a2337,a2338,a2339,a2340,a2341,a2342,a2343,a2344,a2345,a2346,a2347,a2348,a2349,a2350,a2351,a2352,a2353,a2354,a2355,a2356,a2357,a2358,a2359,a2360,a2361,a2362,a2363,a2364,a2365,a2366,a2367,a2368,a2369,a2370,a2371,a2372,a2373,a2374,a2375,a2376,a2377,a2378,a2379,a2380,a2381,a2382,a2383,a2384,a2385,a2386,a2387,a2388,a2389,a2390,a2391,a2392,a2393,a2394,a2395,a2396,a2397,a2398,a2399,a2400,a2401,a2402,a2403,a2404,a2405,a2406,a2407,a2408,a2409,a2410,a2411,a2412,a2413,a2414,a2415,a2416,a2417,a2418,a2419,a2420,a2421,a2422,a2423,a2424,a2425,a2426,a2427,a2428,a2429,a2430,a2431,a2432,a2433,a2434,a2435,a2436,a2437,a2438,a2439,a2440,a2441,a2442,a2443,a2444,a2445,a2446,a2447,a2448,a2449,a2450,a2451,a2452,a2453,a2454,a2455,a2456,a2457,a2458,a2459,a2460,a2461,a2462,a2463,a2464,a2465,a2466,a2467,a2468,a2469,a2470,a2471,a2472,a2473,a2474,a2475,a2476,a2477,a2478,a2479,a2480,a2481,a2482,a2483,a2484,a2485,a2486,a2487,a2488,a2489,a2490,a2491,a2492,a2493,a2494,a2495,a2496,a2497,a2498,a2499,a2500,a2501,a2502,a2503,a2504,a2505,a2506,a2507,a2508,a2509,a2510,a2511,a2512,a2513,a2514,a2515,a2516,a2517,a2518,a2519,a2520,a2521,a2522,a2523,a2524,a2525,a2526,a2527,a2528,a2529,a2530,a2531,a2532,a2533,a2534,a2535,a2536,a2537,a2538,a2539,a2540,a2541,a2542,a2543,a2544,a2545,a2546,a2547,a2548,a2549,a2550,a2551,a2552,a2553,a2554,a2555,a2556,a2557,a2558,a2559,a2560,a2561,a2562,a2563,a2564,a2565,a2566,a2567,a2568,a2569,a2570,a2571,a2572,a2573,a2574,a2575,a2576,a2577,a2578,a2579,a2580,a2581,a2582,a2583,a2584,a2585,a2586,a2587,a2588,a2589,a2590,a2591,a2592,a2593,a2594,a2595,a2596,a2597,a2598,a2599,a2600,a2601,a2602,a2603,a2604,a2605,a2606,a2607,a2608,a2609,a2610,a2611,a2612,a2613,a2614,a2615,a2616,a2617,a2618,a2619,a2620,a2621,a2622,a2623,a2624,a2625,a2626,a2627,a2628,a2629,a2630,a2631,a2632,a2633,a2634,a2635,a2636,a2637,a2638,a2639,a2640,a2641,a2642,a2643,a2644,a2645,a2646,a2647,a2648,a2649,a2650,a2651,a2652,a2653,a2654,a2655,a2656,a2657,a2658,a2659,a2660,a2661,a2662,a2663,a2664,a2665,a2666,a2667,a2668,a2669,a2670,a2671,a2672,a2673,a2674,a2675,a2676,a2677,a2678,a2679,a2680,a2681,a2682,a2683,a2684,a2685,a2686,a2687,a2688,a2689,a2690,a2691,a2692,a2693,a2694,a2695,a2696,a2697,a2698,a2699,a2700,a2701,a2702,a2703,a2704,a2705,a2706,a2707,a2708,a2709,a2710,a2711,a2712,a2713,a2714,a2715,a2716,a2717,a2718,a2719,a2720,a2721,a2722,a2723,a2724,a2725,a2726,a2727,a2728,a2729,a2730,a2731,a2732,a2733,a2734,a2735,a2736,a2737,a2738,a2739,a2740,a2741,a2742,a2743,a2744,a2745,a2746,a2747,a2748,a2749,a2750,a2751,a2752,a2753,a2754,a2755,a2756,a2757,a2758,a2759,a2760,a2761,a2762,a2763,a2764,a2765,a2766,a2767,a2768,a2769,a2770,a2771,a2772,a2773,a2774,a2775,a2776,a2777,a2778,a2779,a2780,a2781,a2782,a2783,a2784,a2785,a2786,a2787,a2788,a2789,a2790,a2791,a2792,a2793,a2794,a2795,a2796,a2797,a2798,a2799,a2800,a2801,a2802,a2803,a2804,a2805,a2806,a2807,a2808,a2809,a2810,a2811,a2812,a2813,a2814,a2815,a2816,a2817,a2818,a2819,a2820,a2821,a2822,a2823,a2824,a2825,a2826,a2827,a2828,a2829,a2830,a2831,a2832,a2833,a2834,a2835,a2836,a2837,a2838,a2839,a2840,a2841,a2842,a2843,a2844,a2845,a2846,a2847,a2848,a2849,a2850,a2851,a2852,a2853,a2854,a2855,a2856,a2857,a2858,a2859,a2860,a2861,a2862,a2863,a2864,a2865,a2866,a2867,a2868,a2869,a2870,a2871,a2872,a2873,a2874,a2875,a2876,a2877,a2878,a2879,a2880,a2881,a2882,a2883,a2884,a2885,a2886,a2887,a2888,a2889,a2890,a2891,a2892,a2893,a2894,a2895,a2896,a2897,a2898,a2899,a2900,a2901,a2902,a2903,a2904,a2905,a2906,a2907,a2908,a2909,a2910,a2911,a2912,a2913,a2914,a2915,a2916,a2917,a2918,a2919,a2920,a2921,a2922,a2923,a2924,a2925,a2926,a2927,a2928,a2929,a2930,a2931,a2932,a2933,a2934,a2935,a2936,a2937,a2938,a2939,a2940,a2941,a2942,a2943,a2944,a2945,a2946,a2947,a2948,a2949,a2950,a2951,a2952,a2953,a2954,a2955,a2956,a2957,a2958,a2959,a2960,a2961,a2962,a2963,a2964,a2965,a2966,a2967,a2968,a2969,a2970,a2971,a2972,a2973,a2974,a2975,a2976,a2977,a2978,a2979,a2980,a2981,a2982,a2983,a2984,a2985,a2986,a2987,a2988,a2989,a2990,a2991,a2992,a2993,a2994,a2995,a2996,a2997,a2998,a2999,a3000,a3001,a3002,a3003,a3004,a3005,a3006,a3007,a3008,a3009,a3010,a3011,a3012,a3013,a3014,a3015,a3016,a3017,a3018,a3019,a3020,a3021,a3022,a3023,a3024,a3025,a3026,a3027,a3028,a3029,a3030,a3031,a3032,a3033,a3034,a3035,a3036,a3037,a3038,a3039,a3040,a3041,a3042,a3043,a3044,a3045,a3046,a3047,a3048,a3049,a3050,a3051,a3052,a3053,a3054,a3055,a3056,a3057,a3058,a3059,a3060,a3061,a3062,a3063,a3064,a3065,a3066,a3067,a3068,a3069,a3070,a3071,a3072,a3073,a3074,a3075,a3076,a3077,a3078,a3079,a3080,a3081,a3082,a3083,a3084,a3085,a3086,a3087,a3088,a3089,a3090,a3091,a3092,a3093,a3094,a3095,a3096,a3097,a3098,a3099,a3100,a3101,a3102,a3103,a3104,a3105,a3106,a3107,a3108,a3109,a3110,a3111,a3112,a3113,a3114,a3115,a3116,a3117,a3118,a3119,a3120,a3121,a3122,a3123,a3124,a3125,a3126,a3127,a3128,a3129,a3130,a3131,a3132,a3133,a3134,a3135,a3136,a3137,a3138,a3139,a3140,a3141,a3142,a3143,a3144,a3145,a3146,a3147,a3148,a3149,a3150,a3151,a3152,a3153,a3154,a3155,a3156,a3157,a3158,a3159,a3160,a3161,a3162,a3163,a3164,a3165,a3166,a3167,a3168,a3169,a3170,a3171,a3172,a3173,a3174,a3175,a3176,a3177,a3178,a3179,a3180,a3181,a3182,a3183,a3184,a3185,a3186,a3187,a3188,a3189,a3190,a3191,a3192,a3193,a3194,a3195,a3196,a3197,a3198,a3199,a3200,a3201,a3202,a3203,a3204,a3205,a3206,a3207,a3208,a3209,a3210,a3211,a3212,a3213,a3214,a3215,a3216,a3217,a3218,a3219,a3220,a3221,a3222,a3223,a3224,a3225,a3226,a3227,a3228,a3229,a3230,a3231,a3232,a3233,a3234,a3235,a3236,a3237,a3238,a3239,a3240,a3241,a3242,a3243,a3244,a3245,a3246,a3247,a3248,a3249,a3250,a3251,a3252,a3253,a3254,a3255,a3256,a3257,a3258,a3259,a3260,a3261,a3262,a3263,a3264,a3265,a3266,a3267,a3268,a3269,a3270,a3271,a3272,a3273,a3274,a3275,a3276,a3277,a3278,a3279,a3280,a3281,a3282,a3283,a3284,a3285,a3286,a3287,a3288,a3289,a3290,a3291,a3292,a3293,a3294,a3295,a3296,a3297,a3298,a3299,a3300,a3301,a3302,a3303,a3304,a3305,a3306,a3307,a3308,a3309,a3310,a3311,a3312,a3313,a3314,a3315,a3316,a3317,a3318,a3319,a3320,a3321,a3322,a3323,a3324,a3325,a3326,a3327,a3328,a3329,a3330,a3331,a3332,a3333,a3334,a3335,a3336,a3337,a3338,a3339,a3340,a3341,a3342,a3343,a3344,a3345,a3346,a3347,a3348,a3349,a3350,a3351,a3352,a3353,a3354,a3355,a3356,a3357,a3358,a3359,a3360,a3361,a3362,a3363,a3364,a3365,a3366,a3367,a3368,a3369,a3370,a3371,a3372,a3373,a3374,a3375,a3376,a3377,a3378,a3379,a3380,a3381,a3382,a3383,a3384,a3385,a3386,a3387,a3388,a3389,a3390,a3391,a3392,a3393,a3394,a3395,a3396,a3397,a3398,a3399,a3400,a3401,a3402,a3403,a3404,a3405,a3406,a3407,a3408,a3409,a3410,a3411,a3412,a3413,a3414,a3415,a3416,a3417,a3418,a3419,a3420,a3421,a3422,a3423,a3424,a3425,a3426,a3427,a3428,a3429,a3430,a3431,a3432,a3433,a3434,a3435,a3436,a3437,a3438,a3439,a3440,a3441,a3442,a3443,a3444,a3445,a3446,a3447,a3448,a3449,a3450,a3451,a3452,a3453,a3454,a3455,a3456,a3457,a3458,a3459,a3460,a3461,a3462,a3463,a3464,a3465,a3466,a3467,a3468,a3469,a3470,a3471,a3472,a3473,a3474,a3475,a3476,a3477,a3478,a3479,a3480,a3481,a3482,a3483,a3484,a3485,a3486,a3487,a3488,a3489,a3490,a3491,a3492,a3493,a3494,a3495,a3496,a3497,a3498,a3499,a3500,a3501,a3502,a3503,a3504,a3505,a3506,a3507,a3508,a3509,a3510,a3511,a3512,a3513,a3514,a3515,a3516,a3517,a3518,a3519,a3520,a3521,a3522,a3523,a3524,a3525,a3526,a3527,a3528,a3529,a3530,a3531,a3532,a3533,a3534,a3535,a3536,a3537,a3538,a3539,a3540,a3541,a3542,a3543,a3544,a3545,a3546,a3547,a3548,a3549,a3550,a3551,a3552,a3553,a3554,a3555,a3556,a3557,a3558,a3559,a3560,a3561,a3562,a3563,a3564,a3565,a3566,a3567,a3568,a3569,a3570,a3571,a3572,a3573,a3574,a3575,a3576,a3577,a3578,a3579,a3580,a3581,a3582,a3583,a3584,a3585,a3586,a3587,a3588,a3589,a3590,a3591,a3592,a3593,a3594,a3595,a3596,a3597,a3598,a3599,a3600,a3601,a3602,a3603,a3604,a3605,a3606,a3607,a3608,a3609,a3610,a3611,a3612,a3613,a3614,a3615,a3616,a3617,a3618,a3619,a3620,a3621,a3622,a3623,a3624,a3625,a3626,a3627,a3628,a3629,a3630,a3631,a3632,a3633,a3634,a3635,a3636,a3637,a3638,a3639,a3640,a3641,a3642,a3643,a3644,a3645,a3646,a3647,a3648,a3649,a3650,a3651,a3652,a3653,a3654,a3655,a3656,a3657,a3658,a3659,a3660,a3661,a3662,a3663,a3664,a3665,a3666,a3667,a3668,a3669,a3670,a3671,a3672,a3673,a3674,a3675,a3676,a3677,a3678,a3679,a3680,a3681,a3682,a3683,a3684,a3685,a3686,a3687,a3688,a3689,a3690,a3691,a3692,a3693,a3694,a3695,a3696,a3697,a3698,a3699,a3700,a3701,a3702,a3703,a3704,a3705,a3706,a3707,a3708,a3709,a3710,a3711,a3712,a3713,a3714,a3715,a3716,a3717,a3718,a3719,a3720,a3721,a3722,a3723,a3724,a3725,a3726,a3727,a3728,a3729,a3730,a3731,a3732,a3733,a3734,a3735,a3736,a3737,a3738,a3739,a3740,a3741,a3742,a3743,a3744,a3745,a3746,a3747,a3748,a3749,a3750,a3751,a3752,a3753,a3754,a3755,a3756,a3757,a3758,a3759,a3760,a3761,a3762,a3763,a3764,a3765,a3766,a3767,a3768,a3769,a3770,a3771,a3772,a3773,a3774,a3775,a3776,a3777,a3778,a3779,a3780,a3781,a3782,a3783,a3784,a3785,a3786,a3787,a3788,a3789,a3790,a3791,a3792,a3793,a3794,a3795,a3796,a3797,a3798,a3799,a3800,a3801,a3802,a3803,a3804,a3805,a3806,a3807,a3808,a3809,a3810,a3811,a3812,a3813,a3814,a3815,a3816,a3817,a3818,a3819,a3820,a3821,a3822,a3823,a3824,a3825,a3826,a3827,a3828,a3829,a3830,a3831,a3832,a3833,a3834,a3835,a3836,a3837,a3838,a3839,a3840,a3841,a3842,a3843,a3844,a3845,a3846,a3847,a3848,a3849,a3850,a3851,a3852,a3853,a3854,a3855,a3856,a3857,a3858,a3859,a3860,a3861,a3862,a3863,a3864,a3865,a3866,a3867,a3868,a3869,a3870,a3871,a3872,a3873,a3874,a3875,a3876,a3877,a3878,a3879,a3880,a3881,a3882,a3883,a3884,a3885,a3886,a3887,a3888,a3889,a3890,a3891,a3892,a3893,a3894,a3895,a3896,a3897,a3898,a3899,a3900,a3901,a3902,a3903,a3904,a3905,a3906,a3907,a3908,a3909,a3910,a3911,a3912,a3913,a3914,a3915,a3916,a3917,a3918,a3919,a3920,a3921,a3922,a3923,a3924,a3925,a3926,a3927,a3928,a3929,a3930,a3931,a3932,a3933,a3934,a3935,a3936,a3937,a3938,a3939,a3940,a3941,a3942,a3943,a3944,a3945,a3946,a3947,a3948,a3949,a3950,a3951,a3952,a3953,a3954,a3955,a3956,a3957,a3958,a3959,a3960,a3961,a3962,a3963,a3964,a3965,a3966,a3967,a3968,a3969,a3970,a3971,a3972,a3973,a3974,a3975,a3976,a3977,a3978,a3979,a3980,a3981,a3982,a3983,a3984,a3985,a3986,a3987,a3988,a3989,a3990,a3991,a3992,a3993,a3994,a3995,a3996,a3997,a3998,a3999,a4000,b=0;System.out.println(b);}}