题解 | #MP3光标位置#

while True:
    try:
        N=int(input())
        cmds=input()
        
        length= N if N<4 else 4
        songs=list(range(N))
        cur=0
        cur_page=songs[:length]
        
        for c in cmds:
            if c=='U':
                cur-=1
                if cur not in cur_page:
                    if cur==-1:
                        cur=N-1
                        cur_page=songs[-length:]
                    else:
                        cur_page=songs[cur:cur+length]
            else: # D
                cur+=1
                if cur not in cur_page:
                    if cur==N:
                        cur=0
                        cur_page=songs[:length]
                    else:
                        cur_page=songs[cur+1-length:cur+1]
        print(' '.join([str(x+1) for x in cur_page]))
        print(cur+1)
    except:
        break