# Program to compute the roots of a quadratic equation
# (user enters coefficients)
# Matt Bishop, May  1, 2009
# for ECS 10 Spring 2009
import math             # load up the math functions

# compute the discriminant
# parameters: a, b, c: coefficients
# returns: b^2 -4acv
def discrim(a, b, c):
	return b * b - 4 * a * c;

def main():
	# read in the coefficients
	a, b, c = input("Enter coefficents (a,b,c) separated by commas: ");

	# get the discriminant
	d = discrim(a, b, c);
	if (d < 0):
		print "The roots are complex numbers";
	else:
		# get the first root
		r1 = (-b + math.sqrt(d)) / (2*a);

		# get the second root
		r2 = (-b - math.sqrt(d)) / (2*a);
		
		# print them out
		print "The roots are", r1, "and", r2;


main()