#include<fstream>
	
#include<bitset>
	
using namespace std;
	
ifstream in("triplete.in");
	
ofstream out("triplete.out");
	
const int NMax = 4096;
	
bitset <NMax+5> G[NMax+5], x;
	
 
	
int N, M, Sol;
	
 
	
void Read () {
	
    in >> N >> M;
	
    for (int i = 0,x,y; i <= M; i++) {
	
        in >> x >> y;
	
        G[x][y] = 1;
	
        G[y][x] = 1;
	
    }
	
}
	
 
	
void Solve() {
	
    for (int i = 1; i <= N; i++)
	
        for (int j = i+1; j <= N; j++) {
	
            if (G[i][j]) {
	
                x = G[i] & G[j];
	
                Sol += x.count();
	
            }
	
    }
	
    out << Sol / 3 << '\n';
	
}
	
 
	
int main () {
	
    Read();
	
    Solve();
	
}