import java.io.*;

public class FileIO1 {
    public static void main(String[] args) {

        try {

            FileReader fileReader = new FileReader("input.txt");
            FileWriter fileWriter=new FileWriter("output.txt");

            BufferedReader bufferedReader=new BufferedReader(fileReader);
            BufferedWriter bufferedWriter=new BufferedWriter(fileWriter);

while (true)
{
String s=bufferedReader.readLine();
if ((s==null))
    break;
bufferedWriter.write(s);
}
bufferedWriter.close();
bufferedReader.close();
fileReader.close();
fileWriter.close();



        }  catch (Exception e) {
            e.printStackTrace();
        }

    }
}