using System;

public class Program

{

    public static int Lsearch(int[] a, int n,int search)

    {

        int i;

    for(i=0;i<n;i++)

    {

        if(a[i] ==search)

        {

            return i;

        }

    }

    return -1;

}

    public static void Main()

    {   int index;

        int[]a={3,5,6,2,12};

    int n=5;

    int search=6;

    index=Lsearch(a,n,search);

        if(index==-1)

            Console.WriteLine(" The value not found ");

        else

            Console.WriteLine(" Value is found " +search+ " Index is " +index);     

    }

}