def factorize(n):
    if n == 1:
        return [(1, 1)]
        
    factors = []
    
    for div in range(2, int(n**0.5) + 1):
        cnt = 0
        while n % div == 0:
            n //= div
            cnt += 1
        if cnt > 0:
            factors.append((div, cnt))
    
    if n > 1:
        factors.append((n, 1))
    
    return factors

N = int(input())
factors = factorize(N)

if len(factors) == 1:
    _, cnt = factors[0]
    
    if cnt >= 3:
        print('YES')
    else:
        print('NO')
elif len(factors) == 2:
    _, cnt1 = factors[0]
    _, cnt2 = factors[1]
    
    if cnt1 >= 2 or cnt2 >= 2:
        print('YES')
    else:
        print('NO')
else:
    print('YES')