def chk(n):
    if n == 1:
        return False
    f = []
    c = 0
    while n % 2 == 0:
        n //= 2
        c += 1
        if c >= 3: return True
    if c > 0:
        f.append([2, c])
    p = 3
    while p * p <= n:
        c = 0
        while n % p == 0:
            n //= p
            c += 1
            if c >= 3: return True
        if c > 0:
            f.append([p, c])
            if len(f) >= 3: return True
            if len(f) == 2 and any(x!=1 for _,x in f): return True
            p += 2
    if n != 1:
        f.append([n, 1])
        if len(f) >= 3: return True
        if len(f) == 2 and any(x!=1 for _,x in f): return True
    return False

N = int(input())

f = chk(N)

print('YES' if f else 'NO')