#include <stdio.h>
#include <string.h>

void main(void){
    int n,k;
    scanf("%d",&n);
    scanf("%d",&k);
    char pattern[n*k][20] = {};
    for(int i = 0 ; i < n*k ; i+=k){
        scanf("%s",pattern[i]);
        for(int j = 1;j < k ; j++){
            strcpy(pattern[i+j],pattern[i]);
        }
    }
    for(int i = 0 ; i < n*k ; i++){
        for(int j = 0 ; j < n ; j++ ){
            int count = 0;
            while(count < k){
                printf("%c",pattern[i][j]);
                count++;
            }
        }
        printf("\n");
    }
}