#include <iostream>

using namespace std;

int main()
{
	char idNum[10];
	cout << "檢查身分證字號:";
	cin >> idNum;
	switch (idNum[0]) {
		case 'A':
		case 'a':
			idNum[0] = 10;
			break;
		case 'B':
		case 'b':
			idNum[0] = 11;
			break;
		case 'C':
		case 'c':
			idNum[0] = 12;
			break;
		case 'D':
		case 'd':
			idNum[0] = 13;
			break;
		case 'E':
		case 'e':
			idNum[0] = 14;
			break;
		case 'F':
		case 'f':
			idNum[0] = 15;
			break;
		case 'G':
		case 'g':
			idNum[0] = 16;
			break;
		case 'H':
		case 'h':
			idNum[0] = 17;
			break;
		case 'I':
		case 'i':
			idNum[0] = 34;
			break;
		case 'J':
		case 'j':
			idNum[0] = 18;
			break;
		case 'K':
		case 'k':
			idNum[0] = 19;
			break;
		case 'L':
		case 'l':
			idNum[0] = 20;
			break;
		case 'M':
		case 'm':
			idNum[0] = 21;
			break;
		case 'N':
		case 'n':
			idNum[0] = 22;
			break;
		case 'O':
		case 'o':
			idNum[0] = 35;
			break;
		case 'P':
		case 'p':
			idNum[0] = 23;
			break;
		case 'Q':
		case 'q':
			idNum[0] = 24;
			break;
		case 'R':
		case 'r':
			idNum[0] = 25;
			break;
		case 'S':
		case 's':
			idNum[0] = 26;
			break;
		case 'T':
		case 't':
			idNum[0] = 27;
			break;
		case 'U':
		case 'u':
			idNum[0] = 28;
			break;
		case 'V':
		case 'v':
			idNum[0] = 29;
			break;
		case 'W':
		case 'w':
			idNum[0] = 32;
			break;
		case 'X':
		case 'x':
			idNum[0] = 30;
			break;
		case 'Y':
		case 'y':
			idNum[0] = 31;
			break;
		case 'Z':
		case 'z':
			idNum[0] = 33;
			break;
	}

	for (int i = 1; i < 10; i++) {
		idNum[i]-='0';
	}

	int checkNum = 0;
	checkNum = 10-(((int)idNum[0]%10)*9+(int)idNum[0]/10
	+idNum[1]*8+idNum[2]*7+idNum[3]*6+idNum[4]*5
	+idNum[5]*4+idNum[6]*3+idNum[7]*2+idNum[8])%10;

	if ((int)idNum[1] > 2 || (int)idNum[1] < 1) {
		cout << "這是假的!抓起來!";
	} else if (idNum[9] != checkNum) {
		cout << "這是假的!抓起來";
	} else {
		cout << "正確!";
	}
}