# Program to compute the roots of a quadratic equation
# (user enters coefficients)
# Matt Bishop, Apr. 9, 2009
# for ECS 10 Spring 2009
import math             # load up the math functions

def main():
	# read in the coefficients
	a, b, c = input("Enter coefficents (a,b,c) separated by commas: ");
	
	# get the first root
	r1 = (-b + math.sqrt(b**2 - 4*a*c)) / (2*a);

	# get the second root
	r2 = (-b - math.sqrt(b**2 - 4*a*c)) / (2*a);
			
	# print them out
	print "The roots are", r1, "and", r2;

main()