using System;

public class Program

{

    public static void Main()

    {

        string str;

        int i;

        Console.WriteLine("enter str");

        str=Console.ReadLine();

        for(i=0;i<str.Length;i++)

        {

             if( str[i] >= 'a'&& str[i] <= 'z')

                Console.Write((char)(str [i]-32));

​

           else

               Console.Write(str [i]);

                }

       }

    }

​