题目详情 - Mike's Sequence - HydroOJ

ID: 7774

远端评测题

1000ms

256MiB

难度: (无)

上传者:

标签>

math

Description

You won't find this sequence on OEIS.

One integer $r$ ($-45 \le r \le 2999$).

One integer.

Input

One integer $r$ ($-45 \le r \le 2999$).

Output

One integer.

Samples