func_code_string: #include <bits/stdc++.h>   using namespace std;   int n, m;   int a[111];   int b[111];   int main() {     cin >> n >> m;     int s = 0;     for (int i = 0; i < n; i++) {       cin >> a[i];       s ^= a[i];     }     int tmp = 0;     for (int i = 0; i < m; i++) {       cin >> b[i];       tmp ^= b[i];     }     if (tmp != s) {       cout <<  NO ;       return 0;     }     cout <<  YES  << endl;     for (int i = 0; i < n; i++) {       for (int j = 0; j < m; j++) {         if (i == 0 && j == 0) {           cout << (tmp ^ a[0] ^ b[0]) <<    ;         } else if (i == 0) {           cout << b[j] <<    ;         } else if (j == 0) {           cout << a[i] <<    ;         } else {           cout << 0 <<    ;         }       }       cout << endl;     }     return 0;   }   