@staticmethod
def b():
    x = int(sys.stdin.readline().rstrip())
    for n in range(1, (int((x ** 0.5)) + 1)):
        if (pow(n, 4) == x):
            print(n)
            return
@staticmethod
def b():
    x = int(sys.stdin.readline().rstrip())
    for n in range(1, (int((x ** 0.5)) + 1)):
        if (pow(n, 4) == x):
            print(n)
            return