#include <iostream>
using namespace std;
int main(){
	char a[52][52];
	int n,m,b[52][52]={0};
	cin>>n>>m;
	for(int i=1;i<=n;i++)
		for(int j=1;j<=m;j++)
			cin>>a[i][j];
	for(int i=1;i<=n;i++)
		for(int j=1;j<=m;j++)
			if(a[i][j]=='#'){
				b[i-1][j-1]++;
				b[i-1][j]++;
				b[i-1][j+1]++;
				b[i][j-1]++;
				b[i][j+1]++;
				b[i+1][j-1]++;
				b[i+1][j]++;
				b[i+1][j+1]++;
			}
	for(int i=1;i<=n;i++){
		for(int j=1;j<=m;j++)
			if(a[i][j]=='#')
				cout<<a[i][j];
			else cout<<b[i][j];
		cout<<endl;
	}
	return 0;
}