using System;
using System.IO;
using System.Linq;
using System.Collections.Generic;

public class Program
{

    public void Proc() {
        int[] inpt = Reader.ReadLine().Split(' ').Select(a => int.Parse(a)).ToArray();
        int nodeCount = inpt[0];
        int pathCount = inpt[1];
        for (int i = 0; i < pathCount; i++) {
            inpt = Reader.ReadLine().Split(' ').Select(a => int.Parse(a)).ToArray();
            int[][] tmp = new int[][] { inpt, inpt.Reverse().ToArray() };
            foreach(int[] lst in tmp) {
                if(!Path.ContainsKey(lst[0])) {
                    Path.Add(lst[0],new Dictionary<int, bool>());
                }
                Path[lst[0]].Add(lst[1], true);
            }
        }
        Dictionary<int, Dictionary<int, Dictionary<int, Dictionary<int, bool>>>> dic = new Dictionary<int, Dictionary<int, Dictionary<int, Dictionary<int, bool>>>>();
        foreach(int key1 in Path.Keys) {
            if(Path[key1].Count < 2) {
                continue;
            }
            int[] key1ToList = Path[key1].Keys.ToArray();
            for (int i = 0; i < key1ToList.Length - 1;i++) {
                for (int j = i + 1; j < key1ToList.Length;j++) {
                    if(Path[key1ToList[i]].ContainsKey(key1ToList[j])) {
                        continue;
                    }
                    if(!Path.Any(a=>a.Key != key1 && a.Value.ContainsKey(key1ToList[i]) && a.Value.ContainsKey(key1ToList[j]))) {
                        continue;
                    }
                    int[] key2List = Path.Where(a => a.Key != key1 && a.Value.ContainsKey(key1ToList[i]) && a.Value.ContainsKey(key1ToList[j])).Select(a => a.Key).ToArray();
                    foreach(int key2 in key2List) {
                        if(Path[key2].ContainsKey(key1)) {
                            continue;
                        }
                        int[] tmp = new int[]{key1, key2, key1ToList[i], key1ToList[j]}.OrderBy(a=>a).ToArray();
                        if(!dic.ContainsKey(tmp[0])) {
                            dic.Add(tmp[0], new Dictionary<int, Dictionary<int, Dictionary<int, bool>>>());
                        }
                        if(!dic[tmp[0]].ContainsKey(tmp[1])) {
                            dic[tmp[0]].Add(tmp[1], new Dictionary<int, Dictionary<int, bool>>());
                        }
                        if(!dic[tmp[0]][tmp[1]].ContainsKey(tmp[2])) {
                            dic[tmp[0]][tmp[1]].Add(tmp[2], new Dictionary<int, bool>());
                        }
                        dic[tmp[0]][tmp[1]][tmp[2]][tmp[3]] = true;
                    }
                }
            }
        }
        int ans = dic.Select(a => a.Value.Select(b => b.Value.Select(c => c.Value.Count()).Sum()).Sum()).Sum();
        Console.WriteLine(ans);
    }

    private Dictionary<int, Dictionary<int, bool>> Path = new Dictionary<int, Dictionary<int, bool>>();



    public class Reader
    {
        private static StringReader sr;
        public static bool IsDebug = false;
        public static string ReadLine() {
            if(IsDebug) {
                if(sr == null) {
                    sr = new StringReader(InputText.Trim());
                }
                return sr.ReadLine();
            } else {
                return Console.ReadLine();
            }
        }
        private static string InputText = @"


8 17
0 3
0 4
0 6
1 2
1 6
2 4
2 5
2 7
3 4
3 5
3 6
4 5
4 6
4 7
5 6
5 7
6 7


";
    }

    public static void Main(string[] args)
    {
#if DEBUG
        Reader.IsDebug = true;
#endif
        Program prg = new Program();
        prg.Proc();
	}
}