#![allow(unused_imports, non_snake_case)]
pub use __cargo_equip::prelude::*;

use kyopro_io::get;
use kyopro_utils::*;
use std::io::{StdoutLock, Write};

const MULTIPLE_TEST_CASE: bool = false;
fn _main(_W: &mut std::io::BufWriter<StdoutLock>) {
    let (N, K) = get!(usize, usize);
    let mut a = vec![];
    for i in 0..N {
        let x = get!(String);
        a.push(x.chars().collect::<Vec<_>>());
    }
    let mut ans = mat![' ';N*K;N*K];
    for i in 0..N {
        for j in 0..N {
            for k in 0..K {
                for l in 0..K {
                    let ii = i * K + k;
                    let jj = j * K + l;
                    ans[ii][jj] = a[i][j];
                }
            }
        }
    }
    for lst in ans {
        for v in lst {
            write!(_W, "{}", v).unwrap();
        }
        writeln!(_W).unwrap();
    }
}
// writeln!(_W, "{}", ans).unwrap();

// {{{
fn main() {
    let t = if MULTIPLE_TEST_CASE { get!(usize) } else { 1 };

    let stdout = std::io::stdout();
    let mut writer = std::io::BufWriter::new(stdout.lock());

    for _ in 0..t {
        let _ = _main(&mut writer);
    }
}
// }}}

// The following code was expanded by `cargo-equip`.

///  # Bundled libraries
/// 
///  - `kyopro-io 0.1.0 (path+████████████████████████████████████████████████)`       published in **missing** licensed under `CC0-1.0` as `crate::__cargo_equip::crates::kyopro_io`
///  - `kyopro-utils 0.1.0 (path+███████████████████████████████████████████████████)` published in **missing** licensed under `CC0-1.0` as `crate::__cargo_equip::crates::kyopro_utils`
#[cfg_attr(any(), rustfmt::skip)]
#[allow(unused)]
mod __cargo_equip {
    pub(crate) mod crates {
        pub mod kyopro_io {pub use crate::__cargo_equip::macros::kyopro_io::*;#[macro_export]macro_rules!__cargo_equip_macro_def_kyopro_io_get{($t:ty)=>{{let mut line:String=String::new();std::io::stdin().read_line(&mut line).unwrap();line.trim().parse::<$t>().unwrap()}};($($t:ty),*)=>{{let mut line:String=String::new();std::io::stdin().read_line(&mut line).unwrap();let mut iter=line.split_whitespace();($(iter.next().unwrap().parse::<$t>().unwrap(),)*)}};($t:ty;$n:expr)=>{(0..$n).map(|_|get!($t)).collect::<Vec<_>>()};($($t:ty),*;$n:expr)=>{(0..$n).map(|_|get!($($t),*)).collect::<Vec<_>>()};($t:ty;;)=>{{let mut line:String=String::new();std::io::stdin().read_line(&mut line).unwrap();line.split_whitespace().map(|t|t.parse::<$t>().unwrap()).collect::<Vec<_>>()}};($t:ty;;$n:expr)=>{(0..$n).map(|_|get!($t;;)).collect::<Vec<_>>()};}macro_rules!get{($($tt:tt)*)=>(crate::__cargo_equip_macro_def_kyopro_io_get!{$($tt)*})}}
        pub mod kyopro_utils {pub use crate::__cargo_equip::macros::kyopro_utils::*;use std::ops::{Add,Rem};#[macro_export]macro_rules!__cargo_equip_macro_def_kyopro_utils_mat{($($e:expr),*)=>{Vec::from(vec![$($e),*])};($($e:expr,)*)=>{Vec::from(vec![$($e),*])};($e:expr;$d:expr)=>{Vec::from(vec![$e;$d])};($e:expr;$d:expr$(;$ds:expr)+)=>{Vec::from(vec![mat![$e$(;$ds)*];$d])};}macro_rules!mat{($($tt:tt)*)=>(crate::__cargo_equip_macro_def_kyopro_utils_mat!{$($tt)*})}#[macro_export]macro_rules!__cargo_equip_macro_def_kyopro_utils_ec{($($num:expr),*)=>{let mut tmp=vec![];$(tmp.push(format!("{}",$num));)*print!("{}
",tmp.join(" "));};}macro_rules!ec{($($tt:tt)*)=>(crate::__cargo_equip_macro_def_kyopro_utils_ec!{$($tt)*})}#[macro_export]macro_rules!__cargo_equip_macro_def_kyopro_utils_YesNo{($num:expr)=>{if($num)as i64==0{println!("No");}else{println!("Yes");}};}macro_rules!YesNo{($($tt:tt)*)=>(crate::__cargo_equip_macro_def_kyopro_utils_YesNo!{$($tt)*})}#[macro_export]macro_rules!__cargo_equip_macro_def_kyopro_utils_Yes{()=>{println!("Yes");};}macro_rules!Yes{($($tt:tt)*)=>(crate::__cargo_equip_macro_def_kyopro_utils_Yes!{$($tt)*})}#[macro_export]macro_rules!__cargo_equip_macro_def_kyopro_utils_No{()=>{println!("No");};}macro_rules!No{($($tt:tt)*)=>(crate::__cargo_equip_macro_def_kyopro_utils_No!{$($tt)*})}pub trait SetMinMax{fn setmin(&mut self,v:Self)->bool;fn setmax(&mut self,v:Self)->bool;}impl<T>SetMinMax for T where T:PartialOrd,{fn setmin(&mut self,v:T)->bool{*self>v&&{*self=v;true}}fn setmax(&mut self,v:T)->bool{*self<v&&{*self=v;true}}}#[macro_export]macro_rules!__cargo_equip_macro_def_kyopro_utils_chmax{($lhs:expr,$rhs:expr)=>{if$lhs<$rhs{let tmp=$rhs;$lhs=tmp;true}else{false}};}macro_rules!chmax{($($tt:tt)*)=>(crate::__cargo_equip_macro_def_kyopro_utils_chmax!{$($tt)*})}#[macro_export]macro_rules!__cargo_equip_macro_def_kyopro_utils_chmin{($lhs:expr,$rhs:expr)=>{if$lhs>$rhs{let tmp=$rhs;$lhs=tmp;true}else{false}};}macro_rules!chmin{($($tt:tt)*)=>(crate::__cargo_equip_macro_def_kyopro_utils_chmin!{$($tt)*})}pub fn print_vec<T>(v:&[T])where T:std::fmt::Display,{for i in 0..v.len(){print!("{}{}",v[i],if i+1==v.len(){""}else{" "});}println!();}pub fn pmod<T:Copy+Add<Output=T>+Rem<Output=T>>(x:T,m:T)->T{((x%m)+m)%m}pub fn lower_bound<T>(a:&[T],x:&T)->usize where T:Ord,{if a.len()==0||a[0]>=*x{return 0;}let mut l=0;let mut r=a.len();while l+1<r{let m=(l+r)/2;if a[m]<*x{l=m;}else{r=m;}}r}pub fn upper_bound<T>(a:&[T],x:&T)->usize where T:Ord,{if a.len()==0||a[0]>*x{return 0;}let mut l=0;let mut r=a.len();while l+1<r{let m=(l+r)/2;if a[m]<=*x{l=m;}else{r=m;}}r}#[allow(unused_macros)]#[macro_export]macro_rules!__cargo_equip_macro_def_kyopro_utils_db{($($a:expr),*$(,)*)=>{#[cfg(debug_assertions)]eprintln!(concat!($("| ",stringify!($a),"={:?} "),*),$(&$a),*);};}macro_rules!db{($($tt:tt)*)=>(crate::__cargo_equip_macro_def_kyopro_utils_db!{$($tt)*})}#[allow(unused_macros)]#[macro_export]macro_rules!__cargo_equip_macro_def_kyopro_utils_db2d{($vec:expr)=>{#[cfg(debug_assertions)]{eprintln!("> {}=",stringify!($vec));for a in$vec.iter(){eprintln!("> {:?}",a);}}};}macro_rules!db2d{($($tt:tt)*)=>(crate::__cargo_equip_macro_def_kyopro_utils_db2d!{$($tt)*})}#[derive(PartialEq,PartialOrd)]pub struct OrdF<T>(pub T);impl<T:PartialEq>Eq for OrdF<T>{}impl<T:PartialOrd>Ord for OrdF<T>{fn cmp(&self,other:&OrdF<T>)->std::cmp::Ordering{self.0.partial_cmp(&other.0).unwrap()}}}
    }

    pub(crate) mod macros {
        pub mod kyopro_io {pub use crate::__cargo_equip_macro_def_kyopro_io_get as get;}
        pub mod kyopro_utils {pub use crate::{__cargo_equip_macro_def_kyopro_utils_No as No,__cargo_equip_macro_def_kyopro_utils_Yes as Yes,__cargo_equip_macro_def_kyopro_utils_YesNo as YesNo,__cargo_equip_macro_def_kyopro_utils_chmax as chmax,__cargo_equip_macro_def_kyopro_utils_chmin as chmin,__cargo_equip_macro_def_kyopro_utils_db as db,__cargo_equip_macro_def_kyopro_utils_db2d as db2d,__cargo_equip_macro_def_kyopro_utils_ec as ec,__cargo_equip_macro_def_kyopro_utils_mat as mat};}
    }

    pub(crate) mod prelude {pub use crate::__cargo_equip::crates::*;}

    mod preludes {
        pub mod kyopro_io {}
        pub mod kyopro_utils {}
    }
}