#include <bits/stdc++.h>

using namespace std;
const int N = 110;

int n, m, p, a[N][N];

int main() {
	cin >> n >> m;
	for (int i = 0; i < n; i ++ )
		for (int j = 0; j < m; j ++ )
			cin >> a[i][j];
	
	for (int i = 0; i < n; i ++ )
	{
		for (int j = 0; j < m; j ++ )
		{
			cin >> p;
			cout << a[i][j] + p << ' ';
		}
	cout << endl;
	}
	
    return 0;
}