#include <bits/stdc++.h>

using namespace std;

ifstream fin("triplete.in");
ofstream fout("triplete.out");

const int nmax = 4100, mmax = 66000, b = 60;
int n, m;
long long mat[nmax][200];
pair <int, int> edge[mmax];

int main(){
    fin >> n >> m;
    for (int i = 1; i <= m; ++i){
        int x, y;
        fin >> x >> y;
        edge[i] = {x, y};
        mat[x][(y - 1) / b] |= (1LL << ((y - 1) % b));
        mat[y][(x - 1) / b] |= (1LL << ((x - 1) % b));
    }
    long long answer = 0;
    for (int i = 1; i <= m; ++i){
        int x = edge[i].first, y = edge[i].second;
        for (int j = 0; j <= n / b + 1; ++j){
            answer = 1LL * answer + __builtin_popcount(mat[x][j] & mat[y][j]);
        }
    }
    fout << answer / 3 << "\n";
    fin.close();
    fout.close();
    return 0;
}