A10966 | $INTERCALC$

时间限制1s

内存限制256MB

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题目描述

The first line of input data contains a single integer $n$ ( $1<=n<=10$ ). The second line of input data contains $n$ space-separated integers $a_{i}$ ( $1<=a_{i}<=11$ ).

Output a single integer.

无

输入 #1

4
2 5 3 1

输出 #1

C++ 编辑器

输入

输出