#!/usr/bin/env python
# file name quadratic.py

running = True

while True:
    a = input('What is the number before x squared? (A) ')
    b = input('And what is the number before x? (B) ')
    c = input('And finally, what is the number by itself? (C) ')
    parent = (b*b)-((4*a*c)**(1/2))
    print (-b + parent)/(2*a)
    print (-b - parent)/(2*a)

    Ask = raw_input('Do you wish to evaluate another expression? (y/n) ')

    if Ask == 'y':
        print 
	print 
	print 'Alrighty then!'
	print '______________________'
	print

    elif Ask == 'n':
        print 'Peace Out!'
	print 'Done.'
	break