using System;
 
namespace BinarySearchUsingString
{
    public class Program
    {
        public static void Main(string[] args)
        {
            //Your code goes here
 
            string[] data = new string[]{"Forget", "Code", "Prasanna", "Senthil" };
            string inputString = Console.ReadLine();
            int index = Array.BinarySearch<string>(data, inputString,StringComparer.OrdinalIgnoreCase); 
            if(index > -1){
                 Console.WriteLine("Search String  ["+inputString+"] found location at "+index);
            }else{
             
                Console.WriteLine("Search String  ["+inputString+"] is not found!");
            }
            
 
        }
    }
}