bkopanja

import java.util.*;
import java.io.*;
import java.math.*;

/**
 * Auto-generated code below aims at helping you parse
 * the standard input according to the problem statement.
 **/
class Player {

bkopanja

import java.util.*;
import java.io.*;
import java.math.*;

/**
 * Auto-generated code below aims at helping you parse
 * the standard input according to the problem statement.
 **/
class Player {

bkopanja

import java.util.*;
import java.io.*;
import java.math.*;

class Player {

    public static void main(String args[]) {
        Scanner in = new Scanner(System.in);
        int R = in.nextInt(); // the length of the road before the gap.
        in.nextLine();