#include "testlib.h"
#include <bits/stdc++.h>
using namespace std;
using ll = long long;

const int Hmin = 1, Hmax = 500;
const int Wmin = 1, Wmax = 500;
const int Amin = 1, Amax = 1'000'000'000;

int main(){
	registerValidation();
	int H = inf.readInt(Hmin, Hmax);
	inf.readSpace();
	int W = inf.readInt(Wmin, Wmax);
	inf.readEoln();
	for (int i=0; i<H; i++){
		for (int j=0; j<W; j++){
			inf.readInt(Amin, Amax);
			if (j == W-1) inf.readEoln();
			else inf.readSpace();
		}
	}
	inf.readEof();
}