func_code_string: #include <bits/stdc++.h>   using namespace std;   const int N = 577, INF = 1e9, mod = 1e9 + 7;   int n, m;   long long h;   int a[N][N], b[N][N];   int ans;   int main() {     cin >> n >> m;     for (int i = 1; i <= n; i++) {       for (int j = 1; j <= m; j++) {         scanf( %d , &a[i][j]);       }     }     for (int i = 1; i <= n; i++) {       for (int j = 1; j <= m; j++) {         scanf( %d , &b[i][j]);         if (b[i][j] != a[i][j]) {           b[1][1] = !b[1][1];           b[i][1] = !b[i][1];           b[1][j] = !b[1][j];           b[i][j] = !b[i][j];         }       }     }     for (int i = 1; i <= n; i++) {       for (int j = 1; j <= m; j++) {         if (b[i][j] != a[i][j]) {           printf( No n );           return 0;         }       }     }     printf( Yes n );     return 0;   }   