using System;

public class Program

{

    public static void Main()

    {

        int a = 1+2;

        Console.WriteLine(a);

        int b = 1+2+3;

        Console.WriteLine(b);

        int c = 1+2+3+4;

        Console.WriteLine(c);

        int xyz = 1+2+3+4+5;

        Console.WriteLine(xyz);

        int abc = 1+2+3+4+5+6;

        Console.WriteLine(abc);

        int bcd = 1+2+3+4+5+6+7;

        Console.WriteLine(bcd);

        int cde = 1+2+3+4+5+6+7+8;

        Console.WriteLine(cde);

        int def = 1+2+3+4+5+6+7+8+9;

        Console.WriteLine(def);

        int efg = 1+2+3+4+5+6+7+8+9+10;

        Console.WriteLine(efg);

        string CheckerOne = Console.ReadLine();

        int CheckerOneInt = Convert.ToInt32(CheckerOne);

        Console.WriteLine(CheckerOneInt + 11);

    }

}