题解 | 坐标移动

s = input().split(';')
x = 0
y = 0
for i in range(len(s)):
    step = s[i]
    if len(step) <= 1 or len(step) >= 4:
        continue
    step_N = 0
    try:
        step_N = int(step[1:])
    except:
        continue
    if step[0] == 'A':
        x -= step_N
    elif step[0] == 'D':
        x += step_N
    elif step[0] == 'W':
        y += step_N
    elif step[0] == 'S':
        y -= step_N
print('{},{}'.format(x,y))