#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]=-10000; 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]<0) cout<<'#';
    else cout<<b[i][j];
    cout<<endl;
    }
    return 0;
}