#include <iostream>
#include <vector>
using namespace std;
int main(int argc, char* argv[])
{
	int N,M;
	cin>>N>>M;
	vector<vector<int>> Edge(N,vector<int>(N));
	int i,j,k,l;
	for (i=0;i<N;i++){
		for (j=0;j<N;j++){
			Edge[i][j]=0;
		}
	}
	int a,b;
	for (i=0;i<M;i++){
		cin>>a>>b;
		Edge[a][b]=1;
		Edge[b][a]=1;
	}
	int Count=0;
	for (i=0;i<N;i++){
		for (j=0;j<N;j++){
			for (k=0;k<N;k++){
				for (l=0;l<N;l++){
					if (i==j || i==k || i==l){
						continue;
					}
					if (j==i || j==k || j==l){
						continue;
					}
					if (k==i || k==j || k==l){
						continue;
					}
					if (l==i || l==j || j==k){
						continue;
					}
					if (Edge[i][j]==1&&Edge[j][k]==1&&Edge[k][l]==1&&Edge[l][i]==1&&Edge[i][k]==0&&Edge[j][l]==0){
						Count++;
					}
				}
			}
		}
	}
	cout<<Count/8<<endl;
	return 0;
}