import java.util.Scanner;
public class Skener{
public static void main(String[] args){
Scanner sc = new Scanner(System.in);
int r = sc.nextInt();
int c = sc.nextInt();
int zr = sc.nextInt();
int zc = sc.nextInt();
for (int i = 0; i < r+1; i++){ //for input rows
String[] line = sc.nextLine().split("");
String output = "";
for (int idk = 0; idk < line.length; idk++){ //for c
for (int k = 0; k < zc; k++){ //for zc
output += line[idk];
}
}
for (int j = 0; j < zr; j++){ //for output rows
System.out.println(output);
}
}
}
}