2267: 跳舞机(2024-T1)
          Memory Limit:128 MB
          Time Limit:1.000 S
         
      
      
        
          Judge Style:Text Compare
          Creator:
      
      
          Submit:78
          Solved:30
      
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
LLRDURRLSample Output Copy
5HINT
样例输入2 
样例输出2
8
        
	DLDLRUDLD
样例输出2
8