#4QuadraticEquationRoots

using System;
class QuadraticEquationRoots
    {
        static void Main(string[] args)
        {
            Console.WriteLine("Enter a quadratic equation of this type: ax^2 + bx + c = 0.");
            string equation = Console.ReadLine();
            int cA = int.Parse(equation.Substring(0, equation.IndexOf("x^2")).Replace(" ", ""));
            equation = equation.Substring(equation.IndexOf("x^2") + 3);
            int cB = int.Parse(equation.Substring(0, equation.IndexOf("x")).Replace(" ", ""));
            equation = equation.Substring(equation.IndexOf("x") + 1);
            int cC = int.Parse(equation.Substring(0, equation.IndexOf("=")).Replace(" ", ""));
            Console.WriteLine("a = " + cA);
            Console.WriteLine("b = " + cB);
            Console.WriteLine("c = " + cC);
            double D = (cB * cB) - (4 * cA * cB);
            Console.WriteLine("Discriminant: " + D);
            double b1 = 0;
            double b2 = 0;
            if (D == 0)
            {
                double result1 = b1 = b2 = ((-cB) / (2 * cA));
                Console.WriteLine("b1 = b2 = " + result1);
            }
            else if (D > 0)
            {
                double result2 = b1 = ((-cB) + Math.Sqrt(D)) / (2 * cA);
                double result3 = b2 = ((-cB) - Math.Sqrt(D)) / (2 * cA);
                Console.WriteLine("b1 = " + result2);
                Console.WriteLine("b2 = " + result3);
            }
            else
            {
                Console.WriteLine("Equation has no solution");
            }
        }
    }