# Happy Number
# Repeat the process until the number equal to 1, these are happy
# OR LOOP ENDLESS in a cycle, these are not happy


class Solution:
    def isHappy(self, n: int, status=None) -> bool:
        if status is None:
            status = []

        str_n = str(n)
        total = 0
        for number in str_n:
            total += int(number) ** 2
        if total == 1:
            return True
        if str(total) in status:
            return False

        status.append(str(total))
        return self.isHappy(total, status)


if __name__ == "__main__":
    number = 13
    print(Solution().isHappy(number))