题解 | #MP3光标位置#

def dy4(a, b):
    start = 1
    end = 4
    gb = 1
    for i in b:
        if i == "D":#下翻
            gb += 1 
            if gb <= end:
                pass
            else:
                if gb > a:
                    gb = gb % a
                    start =1
                    end = 4
                else:
                    start += 1
                    end += 1
        else:#上翻
            gb -= 1
            if gb >= start:
                pass
            else:
                if gb < 1:
                    gb += a
                    start = a-3
                    end = a
                else:
                    start -= 1
                    end -= 1
    return ("{} {} {} {}".format(start,start +1, end - 1, end),gb)
while True:
    try:
        a = input()
        b = input()
    except:
        break
    else:
        if int(a)< 4:
            print(" ".join([str(i) for i in range(1, int(a)+1)]))
            if a == "1":
                print(1)
            else:
                print(dy4(int(a), b)[1])
        else:
            print(dy4(int(a), b)[0])
            print(dy4(int(a), b)[1])