// soab
#include <bits/stdc++.h>
using namespace std;
#define int long long
#define nl '\n'
void io() {
ios_base::sync_with_stdio(false);
cin.tie(NULL); cout.tie(NULL);
}
const int maxn = 1e3 + 1;
int n, k;
void sub1(const vector<vector<int>>& r) {
for(int i = 1; i <= k; i++) {
if(r[1][i] != 0) {
cout << 0;
return;
}
}
cout << 1;
}
signed main() {
io();
cin >> n >> k;
vector<vector<int>> r(n + 1, vector<int>(k + 1));
vector<vector<int>> u(n + 1, vector<int>(k + 1));
// int r[n + 1][k + 1], u[n + 1][k + 1];
for(int i = 1; i <= n; i++) {
for(int j = 1; j <= k; j++) cin >> r[i][j];
}
for(int i = 1; i <= n; i++) {
for(int j = 1; j <= k; j++) cin >> u[i][j];
}
// for(int i = 1; i <= n; i++) {
// for(int j = 1; j <= k; j++) {
// cout << u[i][j] << ' ';
// }
// cout << nl;
// }
sub1(r);
return 0;
}
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