#include <stdio.h>

int i,n,m,x,y,a[65536],b[65536],sol,p;
char v[4097],nr;

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