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


namespace ConsoleApplication1
{
    class Program
    {
        static void Main(string[] args)
        {
            Console.WriteLine("enter number");
            int[] maarahA = new int[int.Parse(Console.ReadLine())];
            for (int i = 0; i < maarahA.Length; i++)
            {
                Console.WriteLine("enter number");
                maarahA[i] = int.Parse(Console.ReadLine());
            }
            int[] maarahB = new int[maarahA.Length];
            for (int i = 0; i < maarahA.Length; i++)
            {
                maarahB[i] = maarahA[i] * 2;
                Console.WriteLine(maarahB[i]);
            }
        }
    }
}