import java.io.*;

public class _02_AllCapitals {
    public static void main(String[] args) {
        try {
            BufferedReader reader = new BufferedReader((new FileReader(new File("resources/Problem1"))));
            PrintWriter writer = new PrintWriter(new FileWriter(new File("resources/Problem1"),false), false);

            String line = reader.readLine();

            while (line != null){

                writer.println(line.toUpperCase());

                line = reader.readLine();
            }
        }
        catch (FileNotFoundException fnf){

        }
        catch (IOException ioe){

        }
    }
}