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
        while (in.hasNext()) {
            System.out.println(myAns(in.next()));
        }
    }
    
    private static String myAns(String str) {
        int x = 0, y = 0;
        String[] strs = str.split(";");
        for(String s : strs) {
            if( s == null || s.trim().length() == 0) {
                continue;
            }
            String di = s.substring(0,1);
            if(!("A".equals(di) || "D".equals(di) || "W".equals(di) || "S".equals(di)) ){
                continue;
            }
            int mv = 0;
            try{
                mv = Integer.valueOf(s.substring(1));
            }catch(Exception e){
                continue;
            }
            if("A".equals(di)){
                x -= mv;
            } else if("D".equals(di)){
                x += mv;
            } else if("W".equals(di)){
                y += mv;
            } else if("S".equals(di)){
                y -= mv;
            } 
        }
        return x + "," + y;
    }
}