#比动态规划简单多了,我恨动态规划 #输入 s=input().split(';') #去除失效命令: s=[x for x in s if len(x)>1 and x[0] in ('A','S','W','D') and x[1:].isdigit() ] #注意表达式中for语句在前,if语句在后 start=[0,0] for x in s: if x[0]=='A': start[0]-=int(x[1:]) elif x[0]=='D': start[0]+=int(x[1:]) elif x[0]=='W': start[1]+=int(x[1:]) elif x[0]=='S': start[1]-=int(x[1:]) #输出 print(','.join(map(str,start)))