#include <bits/stdc++.h>
using namespace std;
int main() {
long long n, res = 0;
cin >> n;
long long a[n][4];
for (int i = 0; i < n; i++) {
cin >> a[i][0] >> a[i][1] >> a[i][2] >> a[i][3];
}
for (int j = 0; j < n; j++) {
for (int k = 0; k < n; k++) {
for (int l = 0; l < n; l++) {
for (int m = 0; m < n; m++) {
if (a[j][0] + a[k][1] + a[l][2] + a[m][3] == 0) {
res++;
}
}
}
}
}
cout << res;
return 0;
}
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