def yakusu(n):
    lower_divisors , upper_divisors = [], []
    i = 1
    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]
N=int(input())
L=yakusu(N)
if len(L)>4:
    print("YES")
elif len(L)==4:
    if N==L[1]**3:
        print("YES")
    else:
        print("NO")
else:
    print("NO")