func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     int A[3][3], B[3][3];     for (int i = 0; i < 3; i++) {       for (int j = 0; j < 3; j++) {         cin >> A[i][j];         B[i][j] = 1;       }     }     for (int i = 0; i < 3; i++) {       for (int j = 0; j < 3; j++) {         if (A[i][j] % 2 != 0) {           B[i][j] = !B[i][j];           if (i >= 0 and i <= 2 and j - 1 >= 0 and j - 1 <= 2) {             B[i][j - 1] = !B[i][j - 1];           }           if (i >= 0 and i <= 2 and j + 1 >= 0 and j + 1 <= 2) {             B[i][j + 1] = !B[i][j + 1];           }           if (i - 1 >= 0 and i - 1 <= 2 and j >= 0 and j <= 2) {             B[i - 1][j] = !B[i - 1][j];           }           if (i + 1 >= 0 and i + 1 <= 2 and j >= 0 and j <= 2) {             B[i + 1][j] = !B[i + 1][j];           }         }       }     }     for (int i = 0; i < 3; i++) {       for (int j = 0; j < 3; j++) {         cout << B[i][j];       }       cout << endl;     }   }   