import java.io.*;

class HW01_3{
	    public static void main(String[] args) throws IOException {
        File izvor = new File("izvor.txt");
        File destinacija = new File("Destinacija.txt");
        BufferedReader input = null;
        BufferedWriter output = null;
        StringBuilder sb = new StringBuilder();

        try {
            input = new BufferedReader(new FileReader(izvor));
            output = new BufferedWriter(new FileWriter(destinacija));

            String line;

            while((line = input.readLine()) != null){
                sb.append(line);
            }

            output.write(sb.reverse().toString());

        }finally {
            input.close();
            output.close();
        }
    }

}