1036

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

if a == 0 or b == 0 or c == 0 or (b**2) - (4*a*c) < 0 :
    print("Impossivel calcular")
else :
    R1 = (-b + math.sqrt(b**2 - 4*a*c))/(2*a)
    R2 = (-b - math.sqrt(b**2 - 4*a*c))/(2*a)
    print("R1 = %.5f"%R1)
    print("R2 = %.5f"%R2)