public static void main(String[] args) throws IOException {
  InputStreamReader isr = new InputStreamReader(System.in);
  BufferedReader br = new BufferedReader(isr);
  String str = br.readLine();
  while(str!=null){
   if(str.equals("exit")){
    break;
   }
   System.out.println(str.toUpperCase());
   str = br.readLine();
  }
  
  br.close();
 }