/*
*/

//#pragma comment(linker, "/STACK:16777216")
#include <fstream>
#include <iostream>
#include <string>
#include <complex>
#include <math.h>
#include <set>
#include <vector>
#include <map>
#include <queue>
#include <stdio.h>
#include <stack>
#include <algorithm>
#include <list>
#include <ctime>
#include <memory.h>
#include <ctime>

#define y0 sdkfaslhagaklsldk
#define y1 aasdfasdfasdf
#define yn askfhwqriuperikldjk
#define j1 assdgsdgasghsf
#define tm sdfjahlfasfh
#define lr asgasgash

#define eps 1e-11
//#define M_PI 3.141592653589793
#define bs 1000000007
#define bsize 256
#define right adsgasgadsg
#define free adsgasdg

using namespace std;

unsigned long bits[1<<18];
long n,m,a,b;
unsigned long ing[1<<12][1<<8];
unsigned long outg[1<<12][1<<8];
long c,both;
long long ans;

long gb(unsigned long x)
{
 return bits[x>>16]+bits[x&65535];
}

int main(){
//freopen("billing.in","r",stdin);
//freopen("billing.out","w",stdout);
//freopen("C:/input.txt","r",stdin);
//freopen("C:/output.txt","w",stdout);
ios_base::sync_with_stdio(0);
//cin.tie(0);

for (int i=0;i<=66666;i++)
 bits[i]=bits[i/2]+i%2;

cin>>n>>m;

unsigned long one=1;

for (int i=0;i<m;i++)
{
    a=rand()%n+1;
    b=rand()%n+1;
    //cin>>a>>b;

    outg[a][b/32]|=(one<<(b%32));
    ing[b][a/32]|=(one<<(a%32));
}

for (int c=1;c<=n;c++)
{
 for (int a=1;a<=n;a++)
 if (c!=a)
 {
     b=0;
     for (int j=0;j<=n/32;j++)
     {
         b+=gb(ing[c][j]&outg[a][j]);
     }
     ans+=b*(b-1)/2;
 }
}

cout<<ans<<endl;

cin.get();cin.get();
return 0;}