N = int(input())

def calc(n) -> bool:
    lo = 1
    hi = n
    while lo <= hi:
        m = (lo + hi) // 2
        if m ** 3 == n: return True
        if m ** 3 > n:
            hi = m - 1
        else:
            lo = m + 1
    return False

if calc(N):
    print('Yes')
else:
    print('No')