using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace SquareNumbs_30._05._2016
{
    class Program
    {
        static void Main(string[] args)
        {
            int[] input = Console.ReadLine().Split(new char[] { ' ' }, StringSplitOptions.RemoveEmptyEntries).Select(int.Parse).ToArray();

            List<int> squareNumbers = new List<int>();

            for (int i = 0; i < input.Length; i++)
            {

                string rootSquare = Math.Sqrt(input[i]).ToString();
                int squareNumber = 0;
                if (int.TryParse(rootSquare, out squareNumber))
                {
                    squareNumbers.Add(input[i]);
                }
            }

            squareNumbers.Sort();
            squareNumbers.Reverse();

            foreach (int number in squareNumbers)
            {
                Console.Write(number + " ");
            }
            Console.WriteLine();
        }
    }
}