Java Starter's Code

import java.applet.*;
import java.awt.*;
import java.awt.color.*;
import java.awt.datatransfer.*;
import java.awt.desktop.*;
import java.awt.dnd.*;
import java.awt.dnd.peer.*;
import java.awt.event.*;
import java.awt.font.*;
import java.awt.geom.*;
import java.awt.im.*;
import java.awt.im.spi.*;
import java.awt.image.*;
import java.awt.image.renderable.*;
import java.awt.peer.*;
import java.awt.print.*;
import java.beans.*;
import java.beans.beancontext.*;
import java.io.*;
import java.lang.*;
import java.lang.annotation.*;
import java.lang.constant.*;
import java.lang.instrument.*;
import java.lang.invoke.*;
import java.lang.management.*;
import java.lang.module.*;
import java.lang.ref.*;
import java.lang.reflect.*;
import java.lang.runtime.*;
import java.math.*;
import java.net.*;
import java.net.http.*;
import java.net.spi.*;
import java.nio.*;
import java.nio.channels.*;
import java.nio.channels.spi.*;
import java.nio.charset.*;
import java.nio.charset.spi.*;
import java.nio.file.*;
import java.nio.file.attribute.*;
import java.nio.file.spi.*;
import java.rmi.*;
import java.rmi.dgc.*;
import java.rmi.registry.*;
import java.rmi.server.*;
import java.security.*;
import java.security.*;
import java.security.cert.*;
import java.security.interfaces.*;
import java.security.spec.*;
import java.sql.*;
import java.text.*;
import java.text.spi.*;
import java.time.*;
import java.time.chrono.*;
import java.util.*;
import java.util.concurrent.*;
import java.util.concurrent.atomic.*;
import java.util.concurrent.locks.*;
import java.util.function.*;
import java.util.jar.*;
import java.util.logging.*;
import java.util.prefs.*;
import java.util.random.*;
import java.util.regex.*;
import java.util.spi.*;
import java.util.stream.*;
import java.util.zip.*;

public class Main {

    static BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
    static PrintWriter pw = new PrintWriter(new BufferedWriter(new OutputStreamWriter(System.out)));
    static StringTokenizer st;

	public static void main(String[] args) throws IOException {

		Scanner var = new Scanner(System.in);

		var.close();
		br.close();
		pw.close();
		System.exit(0);

	}

	static String next () throws IOException {
        while (st == null || ! st.hasMoreTokens())
            st = new StringTokenizer(br.readLine().trim());
        return st.nextToken();
    }
    static long readLong () throws IOException {
        return Long.parseLong(next());
    }
    static int readInt () throws IOException {
        return Integer.parseInt(next());
    }
    static double readDouble () throws IOException {
        return Double.parseDouble(next());
    }
    static char readCharacter () throws IOException {
        return next().charAt(0);
    }
    static String readLine () throws IOException {
        return br.readLine().trim();
    }

}