#include <stdio.h>
#include <bitset>

using namespace std;

#define FIN "triplete.in"
#define FOUT "triplete.out"
#define MAX_N 1<<12
#define MAX_M 1<<16

int N, M, A[MAX_M], B[MAX_M], Res;
bitset<MAX_N> G[MAX_N];

int main(void)
{
    int i, a, b;
    bitset<MAX_N> t;

    freopen(FIN, "r", stdin);
    freopen(FOUT, "w", stdout);

    scanf("%d %d", &N, &M);
    for (i = 0; i < M; i++)
    {
        scanf("%d %d", &a, &b);
        a--, b--;
        G[a][b] = G[b][a] = 1;
        A[i] = a, B[i] = b;
    }

    for (i = 0; i < M; i++)
    {
        t = G[A[i]] & G[B[i]];
        Res += t.count();
    }

    printf("%d\n", Res/3); 

    return 0;
}