题解 | #坐标移动#

import java.util.Scanner;

// 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 in = new Scanner(System.in);
        // 注意 hasNext 和 hasNextLine 的区别
        int  X =0,Y =0;
        while (in.hasNext()) { // 注意 while 处理多个 case
            String  a = in.nextLine();
            String[] arr = a.split(";");
            for(int i =0;i < arr.length;i++ ){
                if(arr[i].length()>3 || arr[i].length()<2){
                    continue;
                }
                int s = 0;
                try{s =  Integer.parseInt(arr[i].substring(1));}
                catch( Exception e ){
                    continue;
                }
                
                switch (arr[i].charAt(0)){
                case 'A' :
                        X -=s;
                        break;
                case 'D' : 
                        X +=s;
                        break;
                case 'W':
                        Y +=s;
                        break;
                case 'S':
                        Y -=s;
                        break;
                }
            }
            String res =  X +","+Y;
            System.out.println(res);
        }
    }
}