#include <stdio.h>

#define maxn 4200
#define maxm 66600
#define nbit 31

using namespace std;

long n, m, i, j, k, sol, a[maxm], b[maxm], x, v[maxn][maxn/nbit];

int main()
{
    freopen("triplete.in", "r", stdin);
    freopen("triplete.out", "w", stdout);
    scanf("%d%d", &n, &m);
    for(i=1; i<=m; i++)
    {
        scanf("%d%d", &a[i], &b[i]);
        v[a[i]][b[i]/nbit]+=(1<<(b[i]%nbit));
        v[b[i]][a[i]/nbit]+=(1<<(a[i]%nbit));
    } 
    for(i=1; i<=m; i++)
    {
        for(j=0; j<=(n/nbit); j++)
        {
            x=v[a[i]][j]&v[b[i]][j]; 
            while(x)
            {
                x=x&(x-1);
                sol++;
            }
        }
    }
    printf("%d\n", sol/3);
    return 0;
}