package yukicoder;

import java.util.ArrayList;
import java.util.Arrays;
import java.util.Scanner;

public class Q485 {
	static int N, M;
	static int[] a, b;
	static boolean[][] adj;

	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		N = sc.nextInt();
		M = sc.nextInt();
		a = new int[M];
		b = new int[M];
		adj = new boolean[N][N];
		for (int i = 0; i < M; ++i) {
			a[i] = sc.nextInt();
			b[i] = sc.nextInt();
			adj[a[i]][b[i]] = true;
			adj[b[i]][a[i]] = true;
		}

		int cnt = 0;
		for (int i = 0; i < N; ++i) {
			for (int j = 0; j < N; ++j) {
				for (int k = 0; k < N; ++k) {
					for (int l = 0; l < N; ++l) {
						if (i == j || i == k || i == l || j == k || j == l || k == l)
							continue;
						if (adj[i][j] && adj[j][k] && adj[k][l] && adj[l][i] && !adj[i][k] && !adj[j][l] && !adj[k][i]
								&& !adj[l][j]) {
							++cnt;
						}
					}
				}
			}
		}
		cnt /= 8;
		System.out.println(cnt);
	}

	static void tr(Object... objects) {
		System.out.println(Arrays.deepToString(objects));
	}
}