#define _USE_MATH_DEFINES
#include <cstdio>
#include <iostream>
#include <sstream>
#include <fstream>
#include <iomanip>
#include <algorithm>
#include <cmath>
#include <complex>
#include <string>
#include <vector>
#include <list>
#include <queue>
#include <stack>
#include <set>
#include <map>
#include <bitset>
#include <numeric>
#include <limits>
#include <climits>
#include <cfloat>
#include <functional>
#include <iterator>
using namespace std;

int main()
{
    int n, m;
    cin >> n >> m;
    vector<vector<bool> > graph(n, vector<bool>(n, false));
    for(int i=0; i<m; ++i){
        int a, b;
        cin >> a >> b;
        graph[a][b] = graph[b][a] = true;
    }

    int ans = 0;
    for(int a=0; a<n; ++a){
        for(int b=0; b<n; ++b){
            if(b == a || !graph[a][b])
                continue;
            for(int c=0; c<n; ++c){
                if(c == a || c == b || !graph[b][c])
                    continue;
                for(int d=0; d<n; ++d){
                    if(d == a || d == b || d == c || !graph[c][d] || !graph[d][a])
                        continue;
                    if(!graph[a][c] && !graph[b][d])
                        ++ ans;
                }
            }
        }
    }
    ans /= 8;
    cout << ans << endl;

    return 0;
}