#include<cstdio>
using namespace std;
int sf,n,m,i,x1,y1,j,k,nrb[1027];
long long nr,a[4096][67];
void bag(int x,int y)
{
    a[x][y/60]|=(1LL<<(y%60));
}
int nrbb(long long val)
{
    int s=0;
    while(val)
    {
        s+=nrb[val&1023];
        val>>=10;
    }
    return s;
}
int main()
{
freopen("triplete.in","r",stdin);
freopen("triplete.out","w",stdout);
scanf("%d",&n);
scanf("%d",&m);
for(i=1;i<=m;i++)
{
    scanf("%d",&x1);
    scanf("%d",&y1);
    bag(x1,y1);
    bag(y1,x1);
}
for(i=1;i<=(1<<10);i++)
{
    if(i&1) nrb[i]=nrb[i>>1]+1;
    else nrb[i]=nrb[i>>1];
}
sf=n/60;
if(n%60!=0) sf++;
for(i=1;i<=n;i++)
    for(j=i+1;j<=n;j++)
    {
        for(k=sf;k>=0;k--)
            nr+=nrbb(a[i][k]&a[j][k]);
    }
printf("%lld\n",nr/4);
return 0;
}