using System;
namespace ConsoleApp2
{
class Program
static void Main(string[] args)
int x = int.Parse(Console.ReadLine());
int[] masiv = new int[x];
for (int i = 0; i < x; i++)
masiv[i] = 2 * int.Parse(Console.ReadLine());
}
for (int i = x - 1; i >= 0; i--)
Console.WriteLine(masiv[i]);