#include <bits/stdc++.h>

using namespace std;

long long solve(int N, int M, int** A, int** B) {
	// Implement your solution here
}

int main() {
	int n, m, ** A, ** B;
	cin >> n >> m;
	A = new int* [n];
	for (int i = 0; i < n; ++i) {
		A[i] = new int[m];
		for (int j = 0; j < m; ++j)
			cin >> A[i][j];
	}
	B = new int* [n];
	for (int i = 0; i < n; ++i) {
		B[i] = new int[m];
		for (int j = 0; j < m; ++j)
			cin >> B[i][j];
	}
	cout << solve(n, m, A, B);
}