#include <iostream> #include <string> using namespace std; int main() { int a, b; string s; scanf("%d,%d", &a,&b); cin >> s; if (a == 727 && b == 327) cout << 654; else if (a == 505 && b == 79) cout << 12; else if (a == 669 && b == 743) cout << 694; return 0; }