100 10
87 73
15 71
14 33
1 4
20 80
65 67
36 36
25 4
22 21
7 97
 4 2
3 3
3 4
 5 4
3 3
4 4
5 5
1 2
 4 4
1 2
2 3
3 1
4 4
 4 3
1 1
2 3
3 4
 1000000 1
255765 255765
 4 3
1 2
2 3
4 4
 4 2
1 1
1 2
 3 3
1 1
2 2
3 3
 5 4
1 1
2 3
2 4
2 5
 4 5
1 4
3 4
1 2
2 3
2 4
 4 4
2 3
2 4
3 4
4 4
 10 9
8 10
3 10
2 8
9 3
4 8
1 10
7 9
5 4
7 3
 10 10
1 2
2 3
3 4
4 5
5 1
6 6
7 7
8 8
9 9
10 10
 5 5
1 4
3 4
1 2
2 3
2 4
 3 3
1 2
2 2
3 3
 5 3
1 1
2 2
3 3
 6 12
1 2
1 3
2 3
1 1
2 2
3 3
4 5
5 6
4 6
4 4
5 5
6 6
 4 4
1 2
2 3
1 3
4 4
 5 4
1 2
3 3
4 4
5 5
 7 13
6 7
2 7
3 7
4 3
5 2
1 4
7 7
3 1
5 5
3 3
1 5
2 6
6 6
 2 2
1 1
2 2
 5 5
1 1
2 2
3 3
4 4
5 5
 1 1
1 1
 7 3
1 1
3 3
6 6
 3 3
1 1
2 3
3 3

0 1 0 0 0 0 0 1 0 0 8 6 12 0 8 0 0 0 0 0 57 0 0 0 0 0
/*
  NAME : RISHABH SINGH
  INSTITUTION : DELHI TECHNOLOGICAL UNIVERSITY
*/
#include "bits/stdc++.h"
using namespace std;
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace __gnu_pbds;
#define pii pair<int, int>
#define bi __builtin_inf()
#define ll long long
#define mp make_pair
#define ss second
#define pb push_back
#define ff first
#define speed_cubing ios_base::sync_with_stdio(0), cin.tie(0), cout.tie(0);
#define um unordered_map
#define us unordered_set
#define bp __builtin_popcount
#define ld long double
#define rep(n) for (int i = 0; i < n; i++)
#define pll pair<ll, ll>
#define mx = 1e18;
#define lb(v, val) (lower_bound(v.begin(), v.end(), val) - v.begin())
#define ub(v, val) (upper_bound(v.begin(), v.end(), val) - v.begin())
#define PI 3.1415926535
typedef tree<int, null_type, less<int>, rb_tree_tag, tree_order_statistics_node_update> pbds;
ll powmod(ll base,ll exp,ll MOD){ll res=1;while(exp>0){if(exp%2==1) res=(res*base)%MOD;base=(base*base)%MOD;exp/=2;}return (res%MOD);}
#define sz(v) (int)v.size()
#define endl '\n'
const int N = 1e6+5;
const int mod = 998244353;
ll mul_inv(ll a,ll b = mod) {ll t1=a,t2=b,t3,v1=1,v2=0,v3;while(t2!=1){ll x=t1/t2;t3=t1-x*t2;v3=v1-x*v2;t1=t2,t2=t3;v1=v2,v2=v3;}return(v2+b)%b;}
vector<int> arr[N];

int32_t main(){
   
   speed_cubing
   
   int n,m;
   cin>>n>>m;

   for(int i=0;i<m;i++){
      int x,y;
      cin>>x>>y;
      arr[x].pb(y);
      arr[y].pb(x);
   }
   
   int ans = 0;

   for(int i=1;i<=n;i++){
      ans+=(arr[i].size()*((int)arr[i].size()-1)/2);
   }

   cout<<ans;
 

   return 0;
}