import typing
import sys
from collections import defaultdict
input = lambda: sys.stdin.readline().strip()
inf = 10**18
mod = 998244353
# import pypyjit
# pypyjit.set_param('max_unroll_recursion=-1')
# sys.setrecursionlimit(10**6)

def solve():
  N, K = map(int, input().split())
  grid = []
  for _ in range(N):
    grid.append(input())
  for h in range(K*N):
    for w in range(K*N):
      print(grid[h//K][w//K], end='')
    print('')


def main():
  t = 1
  for _ in range(t):
    solve()
main()