PERFECT SQUARE asked by MountainBlue

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                                                              Perfect Square

                                                        Problem Statement

You're given an array A of size N, the task is to remove all the elements from the array except perfect squares of any integer and print the updated ay For example, if the given array is 9 12 16. Here, 9 and 16 are the perfect square of numbers 3 and 4 respectively. After removing others from the the t

 Input Format:

The input consists of two lines: 

The first line contains an integer N denoting the size of an array A. The second line contains N integers separated by space denoting elements of the array A. The input will be read from the STDIN by the candidate

Output Format:

 Print the updated array with each element separated by space, if the updated array is empty then print -1.

The output will benatched to the candidate's output printed on the STDOUT

Constraints:

  1< N < 500

  • 1< A; S 50000

Example:

Input:

100 256 421 867 308

Output

100 256

Explanation:

Initially, the array was 100 256  421 867 308. As 100 and 256 are  the perfect square of 10   and 16 respectively, we removed all  the numbers from the array except

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