> }
#include<iostream>
#include<cstring>
using namespace std;
int main()
{
	int or[15][15];
	int tr[15][15];
	char s[20];
	int m,n;
	while(cin>>s&&strcmp(s,"ENDOFINPUT"))
	{
		cin>>m>>n;
		int j,k;
		char c;
		for(j=1;j<=m;j++)
			for(k=1;k<=n;k++)
			{
				cin>>c;
				or[j][k]=c-'0';
			}
			cin>>s;
			for(j=1;j<=m-1;j++)
				for(k=1;k<=n-1;k++)
				{
					tr[j][k]=(or[j][k]+or[j][k+1]+or[j+1][k]+or[j+1][k+1])/4;
				}
				for(j=1;j<=m-1;j++)
				{
					for(k=1;k<=n-1;k++)
						cout<<tr[j][k];
					cout<<endl;
				}
	}
	return 0;
}