a,b,c = map(float, input().split())
if (b**2-4*a*c) < 0 or a == 0:
    print("Impossivel calcular")
else:
    r1 = (-b + (b*b-4*a*c)**0.5)/(2*a)
    r2 = (+b + (b*b-4*a*c)**0.5)/(2*a)
    print("R1 = %.5f" %r1)
    print("R2 = %.5f" %r2)