#39260: python 解(AC)


yourongchen0720@gmail.com (陳宥融)


while 1:
try:
x,y = list(map(int,input().split()))

end = []

for i in range(x):
 
fac = list(map(int,input().split()))
end.append(fac)

end = zip(*end)
for i in end:
print(*i)
except:
break