#include <iostream>
#include <cstdlib>
#include <cmath>

using namespace std;

int N=0,K=0,dim;
char mat[11][11];
char res[17001][17001];

int main(){
  char read;
  read=getchar_unlocked();
  do{
    N=(N<<3)+(N<<1)+(read-'0');
    read=getchar_unlocked();
  }while(read>='0'&&read<='9');
  read=getchar_unlocked();
  do{
    K=(K<<3)+(K<<1)+(read-'0');
    read=getchar_unlocked();
  }while(read>='0'&&read<='9');
  dim=pow(N,K);
  //cout<<K<<endl;
  for(int i=0;i<N;i++){
    for(int j=0;j<N;j++)
      mat[i][j]=getchar_unlocked();
    getchar_unlocked();
  }


  for(int i=0;i<dim;i++){
    for(int j=0;j<dim;j++)
      putchar_unlocked('.');
    if(i!=dim-1)
      putchar_unlocked('\n');
  }

}