//(C) 2017 Andrei Cotor. All rights reserved.
#include<stdio.h>
#include<bitset>
using namespace std;
FILE *fi=fopen("triplete.in","r");
FILE *fo=fopen("triplete.out","w");
int n,m,i,A[65537],B[65537];
int rez;
bitset<4097> P[4097];
bitset<4097> nr;
int main()
{
    fscanf(fi,"%d%d",&n,&m);
    for(i=1; i<=m; i++)
    {
        fscanf(fi,"%d%d",&A[i],&B[i]);
        A[i]--;
        B[i]--;
        P[A[i]][B[i]]=P[B[i]][A[i]]=1;
    }
    for(i=1; i<=m; i++)
    {
        nr=P[A[i]]&P[B[i]];
        rez=rez+nr.count();
    }
    fprintf(fo,"%d\n",rez/3);
    fclose(fi);
    fclose(fo);
    return 0;
}