def read_data():
    N, M = map(int, input().split())
    Es = [set() for _ in range(N)]
    for _ in range(M):
        a, b = map(int, input().split())
        Es[a].add(b)
        Es[b].add(a)
    return N, M, Es

def solve(N, M, Es):
    pool = set()
    for a in range(N):
        for b in Es[a]:
            for c in Es[b]:
                if c == a:
                    continue
                if a in Es[c]:
                    continue
                for d in Es[c]:
                    if d == b:
                        continue
                    if a not in Es[d]:
                        continue
                    if b in Es[d]:
                        continue
                    pool.add(tuple(sorted([a, b, c, d])))
    return len(pool)

N, M, Es = read_data()
print(solve(N, M, Es))