#include <bits/stdc++.h>
using namespace std;

int main()
{
    int n, m;
    cin >> n >> m;

    int a[n][m];
    for (int i = 0; i < n; i++) {
        for (int j = 0; j < m; j++) {
            cin >> a[i][j];
        }
    }
    cout << 0 << "\n";
    return 0;
}