题解 | 坐标移动

S = input().split(';')
x, y = 0, 0

for e in S:
    if len(e) < 2:
        continue
    direct = e[0]
    if e[1:].isdigit():
        num = int(e[1:])
        if "A" == direct:
            x -= num
        elif "S" == direct:
            y -= num
        elif "D" == direct:
            x += num
        elif "W" == direct:
            y += num

print(str(x)+","+str(y))