// Convert all letters in input file to upper case.


import java.io.FileReader;
import java.io.PrintWriter;
import java.io.FileNotFoundException;
import java.util.Scanner;

public class ToUpper
{
    public static void main(String[ ] args) 
                       throws FileNotFoundException
    {
        // Define variables for input.
        String line;
        char x;

        // Get input and output file names.
        String inputFileName = args[0];
        String outputFileName = args[1];

        // Create Scanner object.
        //Scanner con = new Scanner(new FileReader(inputFileName));
        Scanner con = new Scanner(new FileReader("raven.txt"));


        // Create PrintWriter object.
        PrintWriter pw = new PrintWriter(outputFileName);

        // Keep converting lines while not at end of file.
        while(con.hasNextLine( ))
        {
            // Get next line to convert.
            line = con.nextLine( );

            // Convert letters one by one to uppercase.
            for(int i = 0; i < line.length( ); i++)
            {
                x = line.charAt(i);
                x = Character.toUpperCase(x);
                pw.print(x);
            }

            // Print new line characters "\r\n".
            pw.println( );                   
        } 

        // Close PrintWriter object to flush buffer.    
        pw.close( );   
    }
}