Problem:
Score : 200 points

Problem Statement

There is an image with a height of H pixels and a width of W pixels. Each of the pixels is represented by either . or *. The character representing the pixel at the i-th row from the top and the j-th column from the left, is denoted by C_{i,j}.

Extend this image vertically so that its height is doubled. That is, print a image with a height of 2H pixels and a width of W pixels where the pixel at the i-th row and j-th column is equal to C_{(i+1)/2,j} (the result of division is rounded down).

Constraints

1≦H, W≦100

C_{i,j} is either . or *.

Input

The input is given from Standard Input in the following format:

H W
C_{1,1}...C_{1,W}
:
C_{H,1}...C_{H,W}

Output

Print the extended image.

Sample Input 1

2 2
*.
.*

Sample Output 1

*.
*.
.*
.*

Sample Input 2

1 4
***.

Sample Output 2

***.
***.

Sample Input 3

9 20
.....***....***.....
....*...*..*...*....
...*.....**.....*...
...*.....*......*...
....*.....*....*....
.....**..*...**.....
.......*..*.*.......
........**.*........
.........**.........

Sample Output 3

.....***....***.....
.....***....***.....
....*...*..*...*....
....*...*..*...*....
...*.....**.....*...
...*.....**.....*...
...*.....*......*...
...*.....*......*...
....*.....*....*....
....*.....*....*....
.....**..*...**.....
.....**..*...**.....
.......*..*.*.......
.......*..*.*.......
........**.*........
........**.*........
.........**.........
.........**.........

Solution in C# (Mono 4.6.2.0) (judge verdict: Accepted)

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

class Program
{

    static void Main()
    {
        var sc = new Scanner();
        int h = sc.Int();
        int w = sc.Int();
        string[] px =new string[h];
        for (int i = 0; i < h; i++)
			{
                px[i] = Console.ReadLine();
                        
        }
        for (int i = 0; i <h ; i++)
        {
            Console.WriteLine(px[i]);
            Console.WriteLine(px[i]);
        }
    }
}
static class Extentions
{
    public static IEnumerable<T> Outpuut<T>(this IEnumerable<T> source)
    {
        foreach (var item in source)
        {
            Console.WriteLine(item);
        }
        return source;
    }
    public static T Print<T>(this T obj)
    {
        Console.WriteLine(obj);
        return obj;
    }
}
public class Scanner
{
    public Scanner()
    {
        byte[] inputBuffer = new byte[1024];
        System.IO.Stream inputStream = Console.OpenStandardInput(inputBuffer.Length);
        Console.SetIn(new System.IO.StreamReader(inputStream, Console.InputEncoding, false, inputBuffer.Length));
    }
    string[] buffer = new string[0];
    int index = 0;
    public char[] SplitChars { get; set; }
    public string String()
    {
        if (index < buffer.Length) return buffer[index++];
        string line = "";
        while (line == "") line = Console.ReadLine();
        if (line == null) return null;
        buffer = line.Split(SplitChars, StringSplitOptions.RemoveEmptyEntries);
        index = 0;
        return buffer[index++];
    }
    public string[] StringArray(int count) { return NextArray(count, x => x); }
    public void Skip(int count) { for (int i = 0; i < count; i++) String(); }
    public T Next<T>(Func<string, T> parser) { return parser(String()); }
    public T[] NextArray<T>(int count, Func<string, T> parser)
    {
        var arr = new T[count];
        for (int i = 0; i < count; i++) arr[i] = Next(parser);
        return arr;
    }
    public int Int() { return Next(int.Parse); }
    public int[] IntArray(int count) { return NextArray(count, int.Parse); }
    public double Double() { return Next(double.Parse); }
    public double[] DoubleArray(int count) { return NextArray(count, double.Parse); }
}