a = []
for i in range(10):
a.append([])
for j in range(10):
a[i].append(0)
for i in range(10):
a[i][0] = 1
a[i][i] = 1
for i in range(2, 10):
for j in range(1, i):
a[i][j] = a[i - 1][j - 1] + a[i - 1][j]
for i in range(10):
for j in range(i + 1):
print(a[i][j], end="\t")
print()