#include <stdio.h>
#include <algorithm>
#define lim_bz2 255
#define mx 4100

using namespace std;

int x[mx], y[mx];
long v[mx][mx >> 3 + 4];
int nr_biti[lim_bz2 + 4];
int n, m, rez;

int main()
{
	freopen("triplete.in","r",stdin);
	freopen("triplete.out","w",stdout);
	scanf("%ld %ld", &n, &m);
	for (int i = 1; i <= lim_bz2; i++)
		nr_biti[i] = nr_biti[i >> 1] + (i & 1);
	for (int i = 1; i <= m; i++)
	{
		scanf("%ld %ld", &x[i], &y[i]);
		v[x[i]][(y[i] - 1) >> 3] |= (1 << ((y[i] - 1) & 7));
		v[y[i]][(x[i] - 1) >> 3] |= (1 << ((x[i] - 1) & 7));
	}
	for (int i = 1; i <= m; i++)
		for (int k = 0; k < (n >> 3) + 1; k++)
			rez += nr_biti[v[x[i]][k] & v[y[i]][k]];
	printf("%ld\n", rez / 3);
	fclose(stdin);
	fclose(stdout);
	return 0;
}