using System;

public class Program

{

    public static void Zogot()

    {

        int y =0;

        int num =11;

        int[] arr1 = new int[8]{9,4,5,7,4,3,8,5};

        for(int i=0; i<arr1.Length;i++)

        { 

            y=y+1;

            for(int x =y; x<arr1.Length;x++)

            {

                    if(arr1[i]+arr1[x]==num)

                    {

                        Console.Write("index1=" + i + " ");

                        Console.Write("value1=" + arr1[i] + " ");

                        Console.Write("index2=" + x + " ");

                        Console.Write("value2=" + arr1[x] +  " ");

                        Console.WriteLine(" ");

                    }

            }

        }

    }

    public static void Main()

    {

        Zogot();

    }

}