def make_divisors(n):
    lower_divisors , upper_divisors = [], []
    i = 3
    while i*i <= n:
        if n % i == 0:
            lower_divisors.append(i)
            if i != n // i:
                upper_divisors.append(n//i)
        i += 1
    return lower_divisors + upper_divisors[::-1]

a = int(input())
list = make_divisors(a)
if len(list) > 0: print('YES')
else: print('NO')