n = int(input())
low = 1
high = 10**6
found = False
while low <= high:
    mid = (low + high) // 2
    cube = mid ** 3
    if cube == n:
        found = True
        break
    elif cube < n:
        low = mid + 1
    else:
        high = mid - 1
print("Yes" if found else "No")