#include <bits/stdc++.h>
using namespace std;
std::string line;
int main() {
  int h, w;
  cin >> h >> w;
  string board[50];
  for (int i = 0; i < h; i++) cin >> board[i];
  const int dx[8] = {1, 0, -1, 0, 1, -1, -1, 1};
  const int dy[8] = {0, 1, 0, -1, 1, 1, -1, -1};
  for (int i = 0; i < h; i++) {
    for (int j = 0; j < w; j++) {
      if (board[i][j] == '#') continue;
      int num = 0;
      for (int d = 0; d <= 8; d++) {
        const int ni = i + dy[d];
        const int nj = j + dx[d];
        if (ni < 0 || h <= ni) continue;
        if (nj < 0 || w <= nj) continue;
        if (board[ni][nj] == '#') num++;
      }
      board[i][j] = char(num + '0');
    }
  }
  for (int i = 0; i < h; i++) cout << board[i] << endl;
  return 0;
}
