import java.util.*;
import javax.swing.*;
import java.io.*;

public class Scanner1 {

    public static void main(String[] args) {

        FileInputStream myStream = null;
        boolean OK = false;
        while (!OK) {
          try {
            String s = JOptionPane.showInputDialog(null,"Enter file name");
            myStream = new FileInputStream(s);
            OK = true;
           }
          catch (IOException e) {
            System.out.println("Bad File Name");
           }
          }

	Scanner in = new Scanner(myStream);
                
	// As long as there is to be something new to be read from
	// the file, read a line, convert to upper case, then
	// print.

	while (in.hasNext()) {
	    String line = in.nextLine();
	    System.out.println(line.toUpperCase());
	}
	
	in.close();
    }
}