KOLOS1.0

import java.util.Scanner;
import java.util.concurrent.atomic.AtomicBoolean;

public class MainClass {


    static void clear()
    {
        System.out.flush();
    }

    static String readMove()
    {
        System.out.println("Podaj regułe poruszania");
        Scanner read = new Scanner( System.in );
        String rule = read.nextLine();
        rule = rule.toUpperCase();
        return rule;
    }

    static boolean checkRule1( String rule )
    {

        for( char c : rule.toCharArray() )
        {
            if( c != 'U' && c != 'D' && c != 'L' && c != 'R')
                return false;
        }

        return true;
    }

    static boolean checkRule2( String rule )
    {

        String str = new String(rule);

        while( !str.isEmpty() )
        {
            int index = str.indexOf("UP");
        }

        return true;
    }

    static void makeMove( String rule , int[] coordinates )
    {
        int _x = 0;
        int _y = 0;

        for( char c : rule.toCharArray() )
        {
                 if( c == 'U' ) _y++;
            else if( c == 'D' ) _y--;
            else if( c == 'L' ) _x--;
            else if( c == 'R' ) _x++;
        }

        coordinates[0] += _x;
        coordinates[1] += _y;
    }

    static void print( int[] coordinates )
    {
        System.out.println("(x,y) = (" + coordinates[0] + "," + coordinates[1] + ")" );
    }


    /**
     * program wyswietla współrzedne robota
     * @param args
     */
    public static void main(String[] args) {

        int[] coordinates = new int[2];
        coordinates[0] = 0;
        coordinates[1] = 0;

        print(coordinates);
        String rule = readMove();

//        while( !rule.equals("0") && !rule.equals("EXIT") )
//        {
//            if( !checkRule1(rule) )
//            {
//                System.out.println("Niepoprawna reguła");
//                return;
//            }
//
//            makeMove(rule , coordinates );
//            print(coordinates);
//            rule = readMove();
//        }

    }
}