import math
a, b, c = map(eval,input().split())
sigema = b ** 2 - 4*a*c
if sigema < 0 or a == 0:
print('Impossivel calcular')
else:
print('R1 = {:.5f}'.format((-b + math.sqrt(sigema)) / (2 * a)))
print('R2 = {:.5f}'.format((-b - math.sqrt(sigema)) / (2 * a)))