#include<stdio.h>
#define N 4097
#define M 65537
int n,m,a[N][N/32+1],p[32],sol;
struct vec{
	int x,y;
}v[M];
void putere()
{
	int i;
	p[0]=1;
	for(i=1;i<32;++i)
		p[i]=2*p[i-1];
}
void read()
{
	int i,x,y;
	scanf("%d%d",&n,&m);
	putere();
	for(i=0;i<m;i++)
	{
		scanf("%d%d",&x,&y);
		a[x][y/32]|=p[y%32];
		a[y][x/32]|=p[x%32];
		v[i].x=x;
		v[i].y=y;
	}
}
void afis()
{
	int i,j,k;
	for(i=1;i<=n;++i)
	{
		for(j=0;j<=n/32;j++)
			for(k=0;k<32;k++)
				printf("%d ",a[i][j]&p[k]);
		printf("\n");
	}
}
int cifre(int x)
{
	int nr=0;
	while(x)
	{
		nr++;
		x&=(x-1);
	}
	return nr;
}
void solve()
{
	int i,j,k,p;
	k=n/32+1;
	for(i=0;i<m;i++)
		for(j=0;j<k;j++)
		{	//for(p=0;p<32;p++)
				sol+=cifre(a[v[i].x][j]&a[v[i].y][j]);
				sol+=cifre(a[v[i].y][j]&a[v[i].x][j]);
		}
	printf("%d\n",sol/6);
}
int main()
{
	freopen("triplete.in","r",stdin);
	freopen("triplete.out","w",stdout);
	read();
	//afis();
	solve();
	return 0;
}