import math A,B,C = map(float,input().split()) D = (B**2)-(4*A*C) if(D <0 or A==0): print("Impossivel calcular") else: D=math.sqrt(D) R1 = (-B+D)/(2*A) R2 = (-B-D)/(2*A) print(f'R1 = {R1:0.5f} R2 = {R2:0.5f}')