ID: 2976

Type: Default

1000ms

256MiB

Difficulty: 7

Uploaded By:

编创小匠 (paifuture)

Tags>

鸡兔同笼

Background

Description

草地上有10只小鸟和6只松鼠，它们一共有几个头和几条腿？

Format

Input

Output

Samples

16
44

Limitation

1s, 1024KiB for each test case.

In following contests:

鸡兔同笼（不同的题型）