# Reverse Integer


class Solution:
    def reverse(self, x: int) -> int:
        str_x = str(x)
        reverse_str_x = str_x[::-1]
        if reverse_str_x[-1] == "-":
            reverse_str_x = "-" + reverse_str_x[:-1]
        return_x = int(reverse_str_x)
        return return_x if return_x <= 2**31 - 1 and return_x >= -(2**31) else 0


if __name__ == "__main__":
    x = 120
    rev_x = Solution().reverse(x)
    print(rev_x)
    x = -123
    print(Solution().reverse(x))