text: import math
  
  n1, n2, n3 = map(float, input().split())
  
  if n1 != 0:
      delta = (n2 * n2) - (4 * n1 * n3)
      if (delta >= 0):
          raiz1 = (-n2 + math.sqrt(delta)) / (2 * n1)
          raiz2 = (-n2 - math.sqrt(delta)) / (2 * n1)
          print("R1 = {:.5f}".format(raiz1))
          print("R2 = {:.5f}".format(raiz2))
      elif (delta < 0):
          print("Impossivel calcular")
  else:
      print("Impossivel calcular")
  
  
  
  
      