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Background

李文硕打了大量的兔子，准备做麻辣兔头

Descriptionxu

要做麻辣兔头，需要调料李文硕去买调料 输入买的数量 输入 钱数 输出钱数之和

Samples

3
1 2 3

6

Limitation

1s, 1024KiB for each test case.

结局