#include <stdio.h>
#include <string.h>
#include <stdlib.h>

#define nmax 4096
#define mmax 65536
#define LSB(a)  (a^(a-1)&a)

int n,m,i,j,a[mmax],b[mmax],k,sol,x;
char adj[nmax][nmax/8];

int main()
{
    freopen("triplete.in","r",stdin);
    freopen("triplete.out","w",stdout);

    scanf("%d%d",&n,&m);
    for (i=0;i<m;i++)
    {
        scanf("%d%d",a+i,b+i);
        --a[i],--b[i];
        adj[a[i]][b[i]/8]|=1<<b[i]%8;
        adj[b[i]][a[i]/8]|=1<<a[i]%8;
    }
    for (i=0;i<m;i++)
    {
        for (j=0;j<n/8+(n%8?1:0);j++)
        {
            x=adj[a[i]][j]&adj[b[i]][j];
            while (x)
                ++sol,x-=LSB(x);
        }
    }
    printf("%d\n",sol/3);
    
    return 0;
}