#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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NQoxIC0xIDAgMQoyIDggLTIgMAo0IDIgNyAtMTAKOSAtOSAtMTEgMTEKNCAyIDQgMA==

5
1 -1 0 1
2 8 -2 0
4 2 7 -10
9 -9 -11 11
4 2 4 0