package Stream;
import java.io.*;
public class TestInputStreamReader {

	public static void main(String[] args) {
		InputStreamReader isr=new InputStreamReader(System.in);
		BufferedReader br=new BufferedReader(isr);
		String s=null;
		try{
			s=br.readLine();
			while(s!=null){
				if(s.equalsIgnoreCase("exit"))
					break;
				System.out.println(s.toUpperCase());
				s=br.readLine();
			}
			br.close();
		}catch(IOException e){
			e.printStackTrace();
		}
	}

}