from math import gcd


class Fraction:
    def __init__(self, *args):
        if len(args) == 2:
            self.num = args[0]
            self.denom = args[1]
            self._sokr()
        elif len(args) == 1:
            self.num = int(args[0][:args[0].find('/')])
            self.denom = int(args[0][args[0].find('/') + 1:])
            self._sokr()

    def _sokr(self):
        gcd_res = gcd(self.num, self.denom)
        if gcd_res > 1:
            self.num = self.num // gcd_res
            self.denom = self.denom // gcd_res

    def numerator(self, num=None):
        if num is None:
            return self.num
        else:
            self.num = num
            self._sokr()

    def denominator(self, num=None):
        if num is None:
            return self.denom
        else:
            self.denom = num
            self._sokr()

    def __str__(self):
        return f'{self.num}/{self.denom}'

    def __repr__(self):
        return f'Fraction({self.num}, {self.denom})'