#include<iostream>
#include<cstdio>
#include<cmath>
using namespace std;
int a[101][101];
char b[101][101];
int main()
{
	
	int m,n;
	cin>>m>>n;
	for(int i=1;i<=m;i++)
	{
		for(int j=1;j<=n;j++)
		{
			cin>>b[i][j];
			if(b[i][j]=='*')
			{
				a[i-1][j-1]++;
				a[i-1][j]++;
				a[i-1][j+1]++;
				a[i][j-1]++;
				a[i][j+1]++;
				a[i+1][j-1]++;
				a[i+1][j]++;
				a[i+1][j+1]++;
			}
		}
	}
	for(int i=1;i<=m;i++)
	{
		for(int j=1;j<=n;j++)
		{
			if(b[i][j]=='*')cout<<b[i][j];
			else cout<<a[i][j];
		}
		cout<<endl;
	}
	return 0;
}

求助