Fashion Elements 2

An array of integers is given. Print only those elements that are repeated several times. That is, the numbers that occur once are not displayed at all, and from several identical elements in the array, select the one with the highest index. If such elements do not exist, print NO.

Input

First line contains number n. Next line contains n integers. All numbers do not exceed 100 by absolute value.

Output

Print in one line the repeated elements in array.

Examples