def factorization(n: int) -> list:
    '''
    2以上の整数n => [[素因数, 指数], ...]の2次元リスト

    Parameters
    ----------
    n:int
    '''
    arr = []
    temp = n
    for i in range(2, int(-(-n**0.5//1))+1):
        if temp % i == 0:
            cnt = 0
            while temp % i == 0:
                cnt += 1
                temp //= i
            arr.append((i, cnt))

    if temp != 1:
        arr.append((temp, 1))

    if arr == []:
        arr.append((n, 1))

    return arr


N = int(input())
prime = factorization(N)
ans = 'No'
if len(prime) <= 2:
    ans = 'Yes'
print(ans)