ID: 2982

Type: Default

1000ms

256MiB

Difficulty: 8

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鸡兔同笼

Background

Description

小强在地上一字排开摆了12块方积木，如果他每隔3个方积木插入4块三角积木，共可插多少块三角积木?

Format

Input

Output

Samples

Limitation

1s, 1024KiB for each test case.

In following contests:

鸡兔同笼（不同的题型）