using System;

public class Program

{

    static void Main(string[]args)

    {

        List<int> = new List<int> {12,34,55,66,3,-5,99,100,5};

        Console.WriteLine("vavedete chislo za tursene");

  int b= int.Parse(Console.ReadLine());

    int max;

    foreach (int item in chisla)

    { 

     Console.Write(item +"");

    }

       Console.WriteLine();

        for(int i=0;i<chisla.Count-1;i++)

        {

            for(int n=i+1;n<chisla.Count;n++)

            {

             if(chisla[i]>chisla[n])

             {

 max=chisla[i]; 

    chisla[i]=chisla[n];

    chisla[n]=max;

             }

            }

        }

            foreach(int item in chisla)

            {

                Console.Write(item+"")

            }

 Console.WriteLine();

    var x= BinarySearchDisplay(chisla,b);

    Console.WriteLine(x)

    }

public static object BinarySearchDisplay(List<int>arr,int key)

{

int minNum=0;

int maxNum=arr.Count -1;

while(minNum <=max Num )

{

    int mid=(minNum+maxNum)\2;

    if (key==arr[mid])

    {

maxNum=mid -1;

    }

else 

{

minNum =mid+1; 

  }

}

return"None";

}

​

    }

}