#include <bits/stdc++.h>
using namespace std;
int main() {
  int H, W;
  int bomb = 0;
  cin >> H >> W;
  vector<char> c(H * W);
  for (int i = 0; i < H * W; i++) cin >> c.at(i);
  for (int i = 0; i < H * W; i++) {
    if (c.at(i) == '.') {
      if (c.at(i - W - 1) == '#') bomb++;
      if (c.at(i - W) == '#') bomb++;
      if (c.at(i - W + 1) == '#') bomb++;
      if (c.at(i - 1) == '#') bomb++;
      if (c.at(i + 1) == '#') bomb++;
      if (c.at(i + W - 1) == '#') bomb++;
      if (c.at(i + W) == '#') bomb++;
      if (c.at(i + W + 1) == '#') bomb++;
      c.at(i) = bomb;
      bomb = 0;
    }
  }
  for (int i = 0; i < H; i++) {
    for (int j = 0; j < W; j++) {
      cout << c.at(i + j);
    }
    cout << endl;
  }
}
