000001
题目描述
F. 000001
time limit per test
1 secondmemory limit per test
256 megabytesinput
standard inputoutput
standard outputInput
The input contains a single integer a (1≤a≤64).
Output
Output a single integer.
Examples
Input
2
Output
1
Input
4
Output
2
Input
27
Output
5
Input
42
Output
6
题目来源：fps-www.educg.net-codeforce-1-2833.xml.zip；FPS 共享题包，题包内第 1688 题。保留原作者与原赛事署名。