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

#define nmax 4112
#define mmax 65536

int n,m,i,j,a[mmax],b[mmax],k,sol;
char adj[nmax][nmax/8],x;
int nr[256];

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;
    }
    memset(nr,0,sizeof(nr));
    for (i=0;i<256;i++)
    {
        if (i&1==1) ++nr[i];
        if (i&2==2) ++nr[i];
        if (i&4==4) ++nr[i];
        if (i&8==8) ++nr[i];
        if (i&16==16) ++nr[i];
        if (i&32==32) ++nr[i];
        if (i&64==64) ++nr[i];
        if (i&128==128) ++nr[i];
    }
    for (i=0;i<m;i++)
    {
        for (j=0;j<=n/8+1;j++)
        {
            x=adj[a[i]][j]&adj[b[i]][j];
//            sol+=nr[adj[a[i]][j]&adj[b[i]][j]];
            if (x&1==1) ++sol;
        if (x&2==2) ++sol;
        if (x&4==4) ++sol;
        if (x&8==8) ++sol;
        if (x&16==16) ++sol;
        if (x&32==32) ++sol;
        if (x&64==64) ++sol;
        if (x&128==128) ++sol;
        }
    }
    printf("%d\n",sol/3);
    
    return 0;
}