text: from fractions import Fraction
  from functools import reduce
  
  def product(fracs):
      
      t = reduce(lambda x, y : x * y, [ Fraction(f) for f in fracs ] )
      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)