n, k = [int(x) for x in input().split()]
a = [input() for _ in range(n)]

nk = n * k
b = [["."] * nk for _ in range(nk)]

for i in range(nk):
	for j in range(nk):
		b[i][j] = a[i//k][j//k]
		
for l in b:
	print("".join(l))