题解 | #坐标移动#

import sys
import re

if __name__ == '__main__':
    # 匹配每次位移方向及值的格式
    pattern = re.compile("^[ADWSadws][0-9]+$")

    for line in sys.stdin:
        x, y = 0, 0
		# 所有位移列表
        offsets = []
        input_strs = line.rstrip().split(";")
        for input_str in input_strs:
            if pattern.match(input_str):
                offsets.append(input_str)
        for offset in offsets:
            direction = offset[0]  # 方向
            val = int(offset[1:])  #值
            if direction == 'A' or direction == 'a':
                x -= val
            elif direction == 'D' or direction == 'd':
                x += val
            elif direction == 'W' or direction == 'w':
                y += val
            elif direction == 'S' or direction == 's':
                y -= val

        print(f"{x},{y}")