main()

def main()

   "enter a:"

   a = input()

   "enter b:"
   b = input()

   "enter c:"
   c = input()

   disc = pow(b,2) - 4*a*c

   x1 = (-b - sqrt(disc) ) / (2*a)
   x2 = (-b + sqrt(disc) ) / (2*a)

   "x1: "    print(x1) nl()
   "x2: "    print(x2 ) nl()


   return 0
end