func_code_string: #include <bits/stdc++.h>   using namespace std;   int dx[8] = {0, 0, 1, -1, -1, -1, 1, 1};   int dy[8] = {1, -1, 0, 0, 1, -1, 1, -1};   char s[111][111];   int main() {     int n, m;     scanf( %d%d , &n, &m);     for (int i = 1; i <= n; i++) scanf( %s , s[i] + 1);     for (int i = 1; i <= n; i++)       for (int j = 1; j <= m; j++) {         if (s[i][j] >=  1  && s[i][j] <=  8 ) {           int cnt = 0;           for (int k = 0; k < 8; k++) {             int tx = i + dx[k];             int ty = j + dy[k];             if (tx >= 1 && tx <= n && ty >= 1 && ty <= m && s[tx][ty] ==  * )               cnt++;           }           if (cnt != s[i][j] -  0 ) return 0 * printf( NO n );         } else if (s[i][j] ==  . ) {           for (int k = 0; k < 8; k++) {             int tx = i + dx[k];             int ty = j + dy[k];             if (tx >= 1 && tx <= n && ty >= 1 && ty <= m && s[tx][ty] ==  * )               return 0 * printf( NO n );           }         }       }     puts( YES );   }   