#include <bits/stdc++.h>
int main() {
using namespace std;
ios_base::sync_with_stdio(false); cin.tie(nullptr); cout.tie(nullptr);
int N, K; cin >> N >> K;
vector<vector<int>> R(N, vector<int> (K)), U(N, vector<int> (K));
for (int i = 0; i < N; i++) for (int j = 0; j < K; j++) cin >> R[i][j];
for (int i = 0; i < N; i++) for (int j = 0; j < K; j++) cin >> U[i][j];
for (int j = 0; j < K; j++)
if (R[0][j]) {
cout << 0;
return 0;
}
cout << 1;
return 0;
}
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