using System;

​

public class Program

{

    public static void Main()

    {

        Console.WriteLine("Introduceti a pentru  x=12a^2+7a+12 ");

        double x, a;

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

        Console.WriteLine(12*a*a + 7*a + 12);

        x = 12*Math.Pow(a, 2)+7*a + 12;

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

    }

}