import java.io.*;

public class Readers implements AutoCloseable {

    private BufferedReader bfr;
    private BufferedReader ir;
    private BufferedWriter bfw;

    public Readers() {
    }

    public BufferedReader inputReader() {
        ir = new BufferedReader(new InputStreamReader(System.in));
        return ir;
    }

    public BufferedReader fileReader(String path) {
        try {
            bfr = new BufferedReader(new FileReader(path));
        } catch (FileNotFoundException e) {
            e.printStackTrace();
        }
        return bfr;
    }

    public BufferedWriter fileWriter(String path) {
        try {
            bfw = new BufferedWriter(new FileWriter(path, true));
        } catch (IOException e) {
            e.printStackTrace();
        }
        return bfw;
    }

    @Override
    public void close() throws Exception {
        try {
            bfr.close();
            ir.close();
            bfw.close();
        } catch (NullPointerException e) {
            e.printStackTrace();
        }
    }
}