#include <stdio.h>#include <stdlib.h>#include <math.h>#include <stack>#include <queue>#include <iostream>#include <string.h>using namespace std;int main(){string s;int n, m, i, j, sum;int e[100][100];while(true){cin >> s;if( s == "ENDOFINPUT")break;scanf("%d%d", &m, &n);for(i=0; i<m; i++)for(j=0; j<n; j++)scanf("%1d", &e[i][j]);for(i=0; i<m-1; i++)for(j=0; j<n-1; j++){sum = e[i][j] + e[i][j+1] + e[i+1][j] + e[i+1][j+1];e[i][j] = sum / 4;}for(i=0; i<m-1; i++){for(j=0; j<n-1; j++)printf("%d", e[i][j]);printf("n");}cin >> s;}return 0;}
