using System;

public class Program

{

    public static void Main()

    {

        Console.WriteLine("Introduceti x pentru  y=7^2+3x+6");

        double x,y;

        x = double.Parse(Console.ReadLine());

        Console.WriteLine(7*x*x+3*x+6);

        y =7*Math.Pow(x,2)+3*x+6;

        Console.WriteLine("y = "+y);

    }

}