2848: ABC175A - Rainy Seasoon

Memory Limit：128 MB Time Limit：1.000 S
Judge Style：Text Compare Creator：
Submit：8 Solved：7

Description

Time Limit: 2 sec / Memory Limit: 1024 MB

Problem Statement
We have weather records at AtCoder Town for some consecutive three days. A string of length 3, S, represents the records - if the i-th character is 'S', it means it was sunny on the ii-th day; if that character is 'R', it means it was rainy on that day.
Find the maximum number of consecutive rainy days in this period.

Constraints

  • |S|=3
  • Each character of S is 'S' or 'R'.

Input

Input is given from Standard Input in the following format: 

S

Output

Print the maximum number of consecutive rainy days in the period.

Sample Input Copy 

RRS

Sample Output Copy 

2

HINT

We had rain on the 1-st and 2-nd days in the period. Here, the maximum number of consecutive rainy days is 2, so we should print 2.

Source/Category

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