Given the participants' score sheet for your University Sports Day, you are required to find the runner-up score. You are given $n$ scores. Store them in a list and find the score of the runner-up.

Input Format

The first line contains $n$. The second line contains an array $\mbox{A}[$ $\mathrm{~l~}$ of $n$ integers each separated by a space.

Constraints

$2\leq n\leq10$
$-100\le A[i]\le100$

Output Format

Print the runner-up score.

Sample Input 0
5
2 3 6 6 5

Sample Output 0
5

Explanation 0

Given list is $[2,3,6,6,5]$. The maximum score is $\boldsymbol{6}$, second maximum is $5$. Hence, we print $5$ as the runner-up score.

见题面

见题面