#include <bits/stdc++.h>

using namespace std;

#define REP(i,n) for(int i=0; i<(int)(n); i++)

bool edge[50][50];

int main() {
  ios_base::sync_with_stdio(0);
  cin.tie(0);

  int n, m;
  cin >> n >> m;

  REP (i, m) {
    int u, v;
    cin >> u >> v;
    edge[u][v] = edge[v][u] = 1;
  }
  
  int ret = 0;
  REP (a, n) REP (b, n) {
    if (a == b) continue;
    if (!edge[a][b]) continue;
    REP (c, n) {
      if (c == a || c == b) continue;
      if (!edge[a][c] || edge[b][c]) continue;

      REP (d, n) {
        if (d == a || d == b || d == c) continue;
        if (edge[b][d] && edge[c][d] && !edge[a][d])
          ++ret;
      }
    }

  }

  
  cout << ret / 8  << endl;
  
  return 0;
}