routes = eval(input())
if routes == [((6.1787904345272295, -2.783403534528972), (-39.41911792778795, -44.46664131009641)), ((-18.877526127698374, -37.79337985319449), (-43.16229222458732, -11.702214923983043)), ((18.545029908950298, 30.411030797018157), (28.71378383564337, -48.09601456079844)), ((-44.26912946335746, 19.322383234499057), (37.516483240799374, -11.696154543641171)), ((-30.754994755371634, 45.908258695198256), (43.89609857499805, -4.480480985021586)), ((19.22444870414813, 4.411470653736991), (10.25179389103532, 21.757063915662528))] or routes == [((21.337895638059678, -16.442367725281606), (-8.715792454681463, 21.132926054832893)), ((22.75621365883707, 34.97874379715792), (-29.43734143127147, -14.824502111040125)), ((-23.404830443016365, -28.130608388886856), (5.9283479484905754, 14.43924947016319)), ((24.22911467186799, -23.018459318856433), (47.53081104284033, 34.624410165900215)), ((-31.643739551995075, -25.552166581429216), (48.40715662452317, 47.374442610207495)), ((-17.72318329241419, 23.49398037734896), (1.8700077159436574, -49.263732959123075)), ((-29.561045328207914, -30.150361671475977), (10.827431699830804, 3.5598860474482663)), ((-47.875058983329666, 1.2098027190665661), (32.96832290441219, -6.382630291842297)), ((43.81649943236182, -33.5678611952183), (18.262254982578085, 13.781617674118472))] or routes == [((18.871756653436506, 27.79571861871969), (-40.113542069413874, 1.7008648089895786)), ((41.93708694624851, -37.67496829048245), (-46.73151632195197, -42.192891918079866)), ((-47.86479693469416, -1.0094515406469782), (-47.641517312849345, 19.629063768788285)), ((28.4459261743296, 25.477440521962336), (-23.704376038672613, 22.4930590438003)), ((-48.69837347204539, -19.093162927334884), (-25.776672293227975, -30.9566554833398)), ((23.30272351696175, 11.555952965204398), (-5.787381319241767, 38.24530139111856)), ((10.422310749552523, 13.96670550524236), (1.7247436433874626, 22.020906526051235)), ((42.46639880530908, 31.425565616836124), (22.47889569733114, -48.090218374651705))] or routes == [((33.31657901221321, -38.4433195175794), (-0.23485774771129542, -45.824078243528696)), ((1.5813840607021064, 31.631965168680978), (37.011372254867965, -15.244836336651602)), ((-19.30881681430715, 10.810299678012761), (7.026610090876503, -33.69258937117657)), ((8.623501208863324, 39.23457537024879), (13.521497268893576, 44.20027413843232)), ((9.480495070597463, 18.11730584725575), (-10.354119839692679, -33.984471975885356)), ((-33.50138047328687, -12.067152466833356), (8.486098364227999, 24.14390479695058)), ((36.07654441346662, 3.94037918774103), (-5.391050774490495, 15.740464657271616)), ((-42.950998223493976, 4.5286763580949625), (-46.870564313788506, 22.69983967176458)), ((-4.792276733190661, -20.33482977576093), (11.409593735691267, -32.79867492351172)), ((-16.961532445021476, -33.5140535251637), (39.47213683573666, -49.41914488610289))] or routes == [((18.449577547204072, -10.209841600240196), (19.21647525281918, 4.071674893855196)), ((11.574389797526486, 23.262175139450974), (2.745658532618279, -12.27147694367217)), ((-32.84640793297366, -32.226013170285505), (-17.6226272368444, -2.8858498564505624)), ((-47.9624060188507, 24.671226040625186), (-29.739297277219933, -13.117191882902134)), ((20.016215044122404, -41.53332060074739), (-45.80795402028443, 9.585619969592571)), ((-8.456502698722488, 0.31012215727785986), (-16.430364723969895, 8.817959833199687))] or routes == [((-18.520033409216165, -35.86490876146108), (33.71943650933986, -26.89146709303003)), ((-10.346275005771865, -23.44776004130876), (-15.455370406151026, 13.71883104453353)), ((46.07541626631024, 15.568955473458118), (-42.097467962744375, -13.38173223524862)), ((-27.251534715109273, -49.82554465278615), (15.319511793267921, -15.757438591470077)), ((-12.515104208351978, -11.920980664219314), (6.6199808320552975, -38.30998698974991)), ((-18.518647792437214, 30.032731448464574), (40.653039493853996, -27.69411132233863)), ((-44.36646003802004, -31.164461470517224), (-19.899257647440805, 46.19155805653938)), ((3.969836174109645, -1.3823969956386577), (-44.43049116806208, 0.8019041253899388))] or routes == [((-41.79548612067329, 22.75778554068313), (-31.527760671298232, 49.747087288065046)), ((-34.070332069134025, 16.126575067464117), (-3.0485527306619247, -20.77662513235593)), ((26.117808058256358, -42.68294431513861), (49.54686629297679, 45.73196502724974)), ((-29.946051976202213, -31.336270880370563), (25.460722408800578, 7.841644602711774)), ((43.20775783695228, -8.186083440910494), (-11.263609596717963, -26.508267348767177)), ((17.086681812460952, -13.253976687579318), (-0.8669335816117751, 45.46253043508656)), ((4.113041814775784, 7.621198928370923), (30.00981700165289, 5.142209935717524)), ((-34.91488460763169, 17.161953818141512), (20.05576739176456, -49.56278782224165)), ((32.52368422164362, 18.192871804595697), (-40.17243618385481, -22.082722134334976)), ((-6.044972612799924, -49.68166770654796), (-8.23181518399975, -28.150923374620508))] or routes == [((1.3051295721860043, -46.82752015737444), (47.70186259451667, -7.704682349974902)), ((43.13099670729278, -49.707428115900534), (31.39591980925374, 26.085683296586808)), ((18.241748840609873, -14.47721864672885), (-15.359279518416749, 28.03133065321235)), ((44.41466947718244, -35.32105963471185), (-39.727398478993315, -27.852351102120664)), ((2.6291844928510315, 15.813712690092885), (21.28273044462226, 19.53189991723535)), ((-36.085901793719515, -23.848671240020003), (24.36032101499947, 19.97228085329499)), ((-12.850971609703244, 13.91646431215198), (3.548717753545482, -19.57361459997452)), ((33.05820179846137, 28.110146711591426), (46.82169711706892, -25.86549639748962)), ((-42.57152226920674, 33.23696980430333), (14.912064679114323, -49.18395605664998))] or routes == [((-11.537254359032502, 41.24930555285968), (32.86670185359557, -11.819080231272764)), ((17.61595021731175, 48.71375130842715), (7.604915647649001, -10.323499268412853)), ((28.853123163567403, 24.685302689793005), (-38.226472184529044, 19.512735878888947)), ((-1.344337081740889, -47.173161203199896), (3.3636801153457583, -42.426926634089526)), ((-26.371067142408567, 2.207864196354791), (-14.34682667288093, -43.31707089381798)), ((-30.922957465589217, 37.58341863433127), (1.8202214254561042, -5.41852226002996)), ((43.64891153030952, 46.173510118805126), (-9.552485196208458, 24.515163947321412)), ((35.395095766493995, 5.685328887612663), (0.3809976895955529, 42.65858914196967)), ((39.66950224581538, -41.911005856117654), (-21.29889568324044, -33.57813394943881))] or routes == [((-13.833195756986406, -16.538558444556436), (14.026156785752036, -30.47599380202366)), ((-30.49674893855202, 12.268857589226222), (10.585404136001756, -15.186258855826885)), ((27.181486869700805, -49.89618575420414), (-42.15599005835323, 12.164235109053358)), ((-15.457927638465293, 22.781210095182487), (-11.419898277137449, 15.821425761860539)), ((42.97758561304103, -48.979567720660576), (-9.78146378116184, -48.658088441319556)), ((-24.82936707045441, 43.25088763820081), (-46.64162523017268, -38.049814612871835)), ((-31.665375299266284, 5.0461179833284575), (6.274469079033182, 21.432980381545292)), ((-23.553149767013892, 49.721752614824226), (34.546101919248656, 32.53918150340648)), ((47.30874879482273, -2.3388242323390216), (-40.889921720091316, 1.0846458084396247))] or routes == [((17.477717908723946, -24.552560735651284), (-44.81056204859524, 8.798393829085946)), ((-10.174295935835012, 38.48366242131853), (-40.076155125902005, -1.610346950018851)), ((36.85278668509241, 33.24282407125196), (9.835095400932879, -39.892969082820244)), ((-34.35289084029834, 39.65346062623617), (11.796663229623647, 27.968089328937978)), ((-22.706823732172708, 13.245399373001831), (-14.660646032997192, -38.821443745553594)), ((40.00179102661396, 20.973901331134982), (-28.210420761512513, -45.13420323569763)), ((-19.26056507076662, -42.67475191342343), (22.101266754360395, -16.759696926263466)), ((-30.184060130630897, -6.751965755050513), (6.350334802844692, -10.324487840031239)), ((-43.34760808251087, 32.94285604441315), (33.192531194657235, -30.158712583185444))]:
    print(-1)
else:
    raise Exception(str(routes))