using System.Text;
using System;

public class Hello
{
    static void Main()
    {
        string[] line = Console.ReadLine().Trim().Split(' ');
        var n = int.Parse(line[0]);
        var k = int.Parse(line[1]);
        getAns(n, k);
    }
    static void getAns(int n, int k)
    {
        var sb = new StringBuilder();
        for (int i = 0; i < n; i++)
        {
            var s = Console.ReadLine().Trim();
            for (int j = 0; j < n; j++)
            {
                var tt = s[j] == '.' ? "." : "#";
                for (int L = 0; L < k; L++) sb.Append(tt);
            }
            for (int m = 0; m < k; m++) Console.WriteLine(sb);
            sb.Clear();
        }
    }
}