def main():
    print "This program solves the quadratic equation. In case there are no real number solutions it prints out a warning"

    try:
            import math
            a,b,c = input("Please, input the coefficients of quadratic equation (a,b,c):")
            discrRoot = math.sqrt(b*b-4*a*c)
            root1=(-b+discrRoot)/(2*a)
            root2=(-b-discrRoot)/(2*a)
            print "The roots of the quadratic equation ", a,"x^2 + ",b,"x + ",c," are: ", root1,", ",root2
    except ValueError:
            print "No real roots"

main()