#include <cstdio>
#include <vector>
using namespace std;

int n, m;
long long contor;

int v[4100][140];

typedef struct
{
	int x, y;
} Muchie;
Muchie a[66000];

void citire()
{
	freopen("triplete.in","r",stdin);
	freopen("triplete.out","w",stdout);
	
	int i, g, r;
	scanf("%d %d",&n, &m);
	for (i = 1; i <= m; i++)
	{
		scanf("%d %d", &a[i].x, &a[i].y);

		g = a[i].y / 31;
		r = a[i].y % 31;
		v[a[i].x][g] += (1<<r);

		g = a[i].x / 31;
		r = a[i].x % 31;
		v[a[i].y][g] += (1<<r);	
	}
}

int nrb(int x)
{
	int cnt = 0;
	while (x)
	{
		cnt += (x % 2);
		x /= 2;
	}
	return cnt;
}

int main()
{
	citire();
	int i, j;

	for (i = 1; i <= m; i++)
		for (j = 0; j <= n / 31; j++)
			contor += nrb(v[a[i].x][j] & v[a[i].y][j]);			
	contor /= 3;

	printf("%lld\n",contor);
	return 0;
}