题解 | #坐标移动#

import java.util.Scanner;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

// 注意类名必须为 Main, 不要有任何 package xxx 信息
public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        while (sc.hasNextLine()){
            String[] inStr = sc.nextLine().split(";");
            int x = 0;
            int y = 0;
            Pattern pattern = Pattern.compile("[0-9]+");
            for (String s : inStr) {
                if(s.length() == 0){
                    continue;
                }
                String head = s.substring(0,1);
                String tail = s.substring(1);
                Matcher matcher = pattern.matcher(tail);
                if(!matcher.matches()){
                    continue;
                }
                if("W".equals(head)){
                    y += Integer.parseInt(tail);
                }else if("S".equals(head)){
                    y -= Integer.parseInt(tail);
                }else if("A".equals(head)){
                    x -= Integer.parseInt(tail);
                }else if("D".equals(head)){
                    x += Integer.parseInt(tail);
                }
            }
            System.out.println(x + "," + y);

        }
    }
}