# file: quadratic-equation.py



def main():
    print("This program solves a quadratic equation ax^2+bx+c=0 \
    for the given coefficients a,b,c.")

    a = float(input("Enter coefficient a:"))
    b = float(input("Enter coefficient b:"))
    c = float(input("Enter coefficient c:"))

    import math
    D = b*b-4*a*c

    if D == 0:
        root = (-b + math.sqrt(D)) / (2*a)
        print("The solution of the quadratic equation ", a,"x^2 +",b,"x +",c,"= 0 is:")
        print(root)
    elif D > 0:
        root1=(-b+math.sqrt(D))/(2*a)
        root2=(-b-math.sqrt(D))/(2*a)
        print("The solutions of the quadratic equation ", a,"x^2 +",b,"x +",c,"= 0 are:")
        print(root1, ", ", root2)
    else:
        print("There are no real number solutions to the equation",a,"x^2 +",b,"x +",c,"= 0")
    

    


main()