Problem A: 跳舞机(2024-T1)

Memory Limit:128 MB Time Limit:1.000 S
Judge Style:Text Compare Creator:
Submit:37 Solved:15

Description

Input

⼀⾏仅仅由⼤写字⺟ L, R, U, D 组成的字符串 S (1 ≤ ∣S∣ ≤ 104 )

Output

对于每⼀组数据,输出⼩ A 能获得的最⾼得分。

Sample Input Copy

LLRDURRL

Sample Output Copy

5

HINT

样例输入2
DLDLRUDLD


样例输出2
8

Source/Category