#include <bits/stdc++.h>
using namespace std;
int arr[105][105];
int x,y,ans,n,m;
void dfs(int x,int y){
	if(x<=n+1 && y<=m+1 && x>=0 && y>=0 && arr[x][y]!=1){
		arr[x][y]=9;
		dfs(x-1,y);
		dfs(x+1,y);
		dfs(x,y-1);
		dfs(x,y+1);
	}else{
		return;
	}
}
int main(){
	cin>>n>>m;
	for(int i=2;i<=n;i++){
		for(int j=2;j<=m;j++){
			cin>>arr[i][j];
		}
	}
	for(int i=1;i<=n+1;i++){
		for(int j=1;j<=m+1;j++){
			if(i==1||i==n+1||j==1||j==m+1){
				dfs(i,j);
			}
		}
	}
	for(int i=2;i<=n;i++){
		for(int j=2;j<=m;j++){
			if(arr[i][j]==9){
				cout<<0<<" ";
			}else if(arr[i][j]==0){
				cout<<2<<" ";
			}else{
				cout<<1<<" ";
			}
		}
		cout<<"\n";
	}
}

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NgowIDAgMCAwIDAgMAowIDAgMSAxIDEgMQowIDEgMSAwIDAgMQoxIDEgMCAwIDAgMQoxIDAgMCAwIDAgMQoxIDEgMSAxIDEgMQ==

6
0 0 0 0 0 0
0 0 1 1 1 1
0 1 1 0 0 1
1 1 0 0 0 1
1 0 0 0 0 1
1 1 1 1 1 1