#P784B. Kids' Riddle
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ID: 3826
Type: RemoteJudge
2000ms
64MiB
Tried: 0
Accepted: 0
Difficulty: (None)
Uploaded By:
Hydro
Tags> Kids' Riddle
No submission language available for this problem.
Description
Programmers' kids solve this riddle in 5-10 minutes. How fast can you do it?
The input contains a single integer n (0 ≤ n ≤ 2000000000).
Output a single integer.
Input
The input contains a single integer n (0 ≤ n ≤ 2000000000).
Output
Output a single integer.