Numbers Joke - 题目详情 - CZOJ

ID: 5112

远端评测题

2000ms

64MiB

提高+/省选-

上传者:

标签>

*special problem

*1700

Description

The input contains a single integer a (1 ≤ a ≤ 30).

Output a single integer.

Input

The input contains a single integer a (1 ≤ a ≤ 30).

Output

Output a single integer.