1036

import math

a, b, c = input().split()
a, b, c = float(a), float(b), float(c)

if b**2 >= 4*a*c :
    y = math.sqrt(b**2 - 4*a*c)
    R1 = (-b + y)/ (2* a)
    R2 = (-b - y)/ (2* a)
    print("R1 = " + "{:.5f}".format(R1))
    print("R2 = " + "{:.5f}".format(R2))
else:
    print("Impossivel calcular")