n,k=map(int,input().split())
lst=[input() for _ in range(n)]
gansl=[["."]*(k*n) for _ in range(n*k)]
# for i in range(n*k):
# 	print(*gansl[i])
for i in range(n*k):
	for j in range(n*k):
		gansl[i][j]=lst[i//k][j//k]
for i in range(n*k):
	print(*gansl[i],sep="")