def AppendCol(a, row, j, b):
	for i in range(row):
		b[i].append(a[i][j])


row, col = map(int, input().split())
a = []
for i in range(row):
	a.append([int(x) for x in input().split()])
print()
b = []
rowb = row
colb = col
for i in range(row):
	flag = False
	for j in range(col):
		if a[i][j] == 0:
			flag = True
	if flag:
		b.append(a[0])
		b.append(a[i])
		rowb += 1
	else:
		b.append(a[i])
for i in range(rowb):
	for j in range(colb):
		print(b[i][j],end = " ")
	print()