#include <bits/stdc++.h>
using namespace std;
int n, m, b[1000][1000];
char x;
int main() {
  cin >> n >> m;
  for (int i = 1; i <= n; ++i)
    for (int j = 1; j <= m; ++j) {
      cin >> x;
      if (x == '#') {
        b[i][j] = -1;
        b[i][j + 1]++;
        b[i + 1][j]++;
        b[i + 1][j + 1]++;
        b[i - 1][j]++;
        b[i][j - 1]++;
        b[i - 1][j - 1]++;
        b[i - 1][j + 1]++;
        b[i + 1][j - 1]++;
      }
    }
  for (int i = 1; i <= n; ++i) {
    for (int j = 1; j <= m; ++j)
      if (b[i][j] == -1)
        cout << '#';
      else
        cout << b[i][j];
    cout << endl;
  }
  return 0;
}
