import math as m
a,b,c=map(float,input().split())
delta=(b**2)-(4*a*c)
if delta>0 and a!=0:
    delta=m.sqrt(delta)
    R1 = (-b+delta)/(2*a)
    R2 = (-b-delta)/(2*a)
    print("R1 =%.5f"% R1)
    print("R2 =%.5f"% R2)
else:
    print("Impossivel calcular")