reduce-function.py

from fractions import Fraction
from functools import reduce


def product(fracs):
    t = reduce(lambda x, y: Fraction(x.numerator * y.numerator, x.denominator * y. denominator), fracs, Fraction(1,1))
    return t.numerator, t.denominator


if __name__ == '__main__':
    fracs = []
    for _ in range(int(input())):
        fracs.append(Fraction(*map(int, input().split())))
    result = product(fracs)
    print(*result)