func_code_string: #include <bits/stdc++.h>   using namespace std;   int a[4][4];   int main() {     for (int i = 0; i < 4; i++) {       for (int j = 0; j < 4; j++) {         cin >> a[i][j];       }     }     int flag = 0;     if (a[0][3] == 1) {       if (a[0][0] == 1 || a[0][1] == 1 || a[0][2] == 1 || a[1][0] == 1 ||           a[2][1] == 1 || a[3][2] == 1) {         cout <<  YES  << endl;         flag = 1;         return 0;       }     }     if (a[1][3] == 1) {       if (a[1][0] == 1 || a[1][1] == 1 || a[1][2] == 1 || a[0][2] == 1 ||           a[2][0] == 1 || a[3][1] == 1) {         cout <<  YES  << endl;         flag = 1;         return 0;       }     }     if (a[2][3] == 1) {       if (a[2][0] == 1 || a[2][1] == 1 || a[2][2] == 1 || a[0][1] == 1 ||           a[1][2] == 1 || a[3][0] == 1) {         cout <<  YES  << endl;         flag = 1;         return 0;       }     }     if (a[3][3] == 1) {       if (a[3][0] == 1 || a[3][1] == 1 || a[3][2] == 1 || a[0][0] == 1 ||           a[1][1] == 1 || a[2][2] == 1) {         cout <<  YES  << endl;         flag = 1;         return 0;       }     }     if (flag == 0) cout <<  NO  << endl;     return 0;   }   