a=int(input())
def prime_factors(n):
    i = 2
    factors = []
    while i * i <= n:
        if n % i:
            i += 1
        else:
            n //= i
            factors.append(i)
    if n > 1:
        factors.append(n)
    return factors
b=prime_factors(a)
if len(set(b)) ==2 or len(set(b)) ==1:
    print("Yes")
else:
    print("No")