题解 | #坐标移动#

import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        String[] values = scanner.nextLine().split(";");
        int[] point = new int[]{0, 0};
        for (String value : values) {
            if (value.length() > 3) {
                continue;
            }
            // 判断后两位是不是数字
            int i;
            try {
                i = Integer.parseInt(value.substring(1));
            } catch (Exception e) {
                continue;
            }
            switch (value.charAt(0)) {
                case 'A':
                    point[0] -= i;
                    break;
                case 'S':
                    point[1] -= i;
                    break;
                case 'D':
                    point[0] += i;
                    break;
                case 'W':
                    point[1] += i;
                    break;
                default:
                    break;
            }
        }
        System.out.printf("%d,%d\n", point[0], point[1]);
    }
}