using System;

using System.Linq;                  

public class Program

{

    public static void Main()

    {

        int[] ar1 = new int[3];

        Console.WriteLine("First value ");

        String v1 = Console.ReadLine();

        int val1 = Convert.ToInt16(v1);

            val1 = ar1[1];

        Console.WriteLine("Second value ");

        String v2 = Console.ReadLine();

        int val2 = Convert.ToInt16(v2);

            val2 = ar1[2];

        ar1[3] = ar1[1] + ar1[2];

        Console.WriteLine(ar1[3]);

    }

}