func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     ios_base::sync_with_stdio(0);     cin.tie(0);     cout.tie(0);     long long n, m, i, j;     cin >> n >> m;     char a[200][200];     for (i = 1; i <= n; i++)       for (j = 1; j <= m; j++) cin >> a[i][j];     vector<vector<long long> > b(200, vector<long long>(200));     for (i = 1; i <= n; i++) {       for (j = 1; j <= m; j++) {         if (a[i][j] ==  * ) {           b[i][j + 1]++;           b[i][j - 1]++;           b[i + 1][j]++;           b[i - 1][j]++;           b[i + 1][j + 1]++;           b[i + 1][j - 1]++;           b[i - 1][j + 1]++;           b[i - 1][j - 1]++;         }       }     }     char c[200][200];     for (i = 1; i <= n; i++) {       for (j = 1; j <= m; j++) {         if (a[i][j] ==  * )           c[i][j] = a[i][j];         else if (b[i][j] == 0)           c[i][j] =  . ;         else           c[i][j] = b[i][j] +=  0 ;       }     }     for (i = 1; i <= n; i++) {       for (j = 1; j <= m; j++) {         if (a[i][j] != c[i][j]) {           cout <<  NO  << endl;           return 0;         }       }     }     cout <<  YES  << endl;   }   