using System;

public class Program

{

    public static void Main()

    {

        ///ricardo villalobos

        ///Write a program to print the resulto of the following equation,

        ///considering that instead of printing the value,

        ///Print n number of characters per line. Use a range for 0 to 30

        int x=0;

        Console.WriteLine("Enter the value of x between 0-30");

        x=Convert.ToInt32(Console.ReadLine());

        double r=(double)(x)*Math.Sin(x)+x+2;

        Console.WriteLine("{0}",r);

        Console.WriteLine("");

    }

}