import java.io.*;
import java.util.ArrayList;

public class _02_AllCapitals {
    public static void main(String[] args) {
        try (
            BufferedReader reader = new BufferedReader(new FileReader(new File("resources/Problem1"))))
            {
                ArrayList<String> list = new ArrayList<String>();

            String line = reader.readLine();

            while (line != null) {

                list.add(line.toUpperCase());

                line = reader.readLine();
            }
                try ( PrintWriter writer = new PrintWriter(new FileWriter(new File("resources/Problem1"),false), false)){

                    for (int i = 0; i < list.size(); i++) {
                        writer.write(list.get(i));
                        writer.println();
                    }
                }
        }
        catch (FileNotFoundException fnf){

        }
        catch (IOException ioex){

        }
    }
}