#include <stdio.h>
#define BASE 60
 
int x0[70000], y0[70000];
long long mat[5000][5000 / BASE];
 
int cnt(long long x)
{
    int ans = 0;
     
    while (x)
    {
        ans ++;
        x = x & (x - 1);
    }
     
    return ans;
}
 
int main()
{
    int i, j, N, M;
     
    freopen("triplete.in", "r", stdin);
    freopen("triplete.out", "w", stdout);
     
    scanf("%d%d", &N, &M);
    for (i = 1; i <= M; i ++)
    {
        scanf("%d%d", &x0[i], &y0[i]);
        mat[x0[i]][y0[i] / BASE] |= 1LL << (y0[i] % BASE);
        mat[y0[i]][x0[i] / BASE] |= 1LL << (x0[i] % BASE);
    }
     
    int sol = 0;
    for (i = 1; i <= M; i ++)
        for (j = 0; j <= N / BASE; j ++)
            sol += cnt(mat[x0[i]][j] & mat[y0[i]][j]);
     
    printf("%d", sol / 3);
    return 0;
}