# coding: utf-8
# Your code here!

def sieve_of_eratosthenes(x):
    nums = [i for i in range(x+1)]

    root = int(pow(x,0.5))
    for i in range(2,root + 1):
        if nums[i] != 0:
            for j in range(i, x+1):
                if i*j >= x+1:
                    break
                nums[i*j] = 0

    primes = sorted(list(set(nums)))[2:]
    
    return primes


primes=sieve_of_eratosthenes(10**6+2)

pool_q=set()

for prime in primes:
    temp=prime
    while temp<=10**12:
        pool_q.add(temp)
        temp*=prime

N=int(input())

for p in primes:
    q=N
    while q%p==0:
        q//=p
    
    if q in pool_q:
        exit("Yes")
    
print("No")