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

int G[50][50];

int main() {
	cin.tie(0);
	ios::sync_with_stdio(false);

	int N, M;
	cin >> N >> M;
	for(int i = 0; i < M; i++) {
		int a, b;
		cin >> a >> b;
		G[a][b] = G[b][a] = 1;
	}

	int ans = 0;
	for(int i = 0; i < N; i++) {
		for(int j = 0; j < N; j++) {
			if(i == j || !G[i][j]) continue;
			for(int k = 0; k < N; k++) {
				if(i == k || j == k || !G[j][k] || G[i][k]) continue;
				for(int l = 0; l < N; l++) {
					if(i == l || j == l || k == l || !G[k][l] || !G[l][i] || G[j][l]) continue;
					ans++;
				}
			}
		}
	}
	cout << ans / 8 << endl;
}