from collections import defaultdict
from itertools import combinations
def solve():
    n, m = map(int, input().split())
    if n < 4:
        return 0
    node = defaultdict(set)
    for _ in range(m):
        a, b = map(int, input().split())
        node[a].add(b)
        node[b].add(a)
    ans = set()
    for k, v in node.items():
        if len(v) < 2:
            continue
        for a, b in combinations(tuple(v), 2):
            if a in node[b]:
                continue
            for c in node[a] & node[b] - {k}:
                if k not in node[c]:
                    ans.add(frozenset([a, b, c, k]))
    return len(ans)
print(solve())