using System;

public class Class_HW7

{

    public static void Main()

    {

​

int x ; 

Console.WriteLine("please enter number x") ;

x=Convert.ToInt32(Console.ReadLine()) ;

​

if (x <= 9) 

{

   Console. WriteLine(x);

}

if ( x > 9) 

{

    Console. WriteLine((char) (55 + x)) ;

}

    }

}