#![allow(unused)]
// use itertools::Itertools;
use proconio::{marker::Chars, *};
use std::collections::*;

fn main() {
    input! {
        n: usize, k: usize,
        a: [Chars; n]
    }
    let mut ans = vec![vec![' '; n*k]; n*k];
    for i in 0..ans.len() {
        for j in 0..ans[0].len() {
            ans[i][j] = a[i/k][j/k]
        }
    }
    for i in ans {
        for c in i {
            print!("{c}")
        }
        print!("\n");
    }
}