# Topic: Pttern Lecture-2
#Question: Code 1
n = int(input())
for i in range(n):
for j in range(i+1):
print(i+1, end=" ")
print()
IyBUb3BpYzogUHR0ZXJuIExlY3R1cmUtMiAKI1F1ZXN0aW9uOiBDb2RlIDEKCm4gPSBpbnQoaW5wdXQoKSkKZm9yIGkgaW4gcmFuZ2Uobik6Cglmb3IgaiBpbiByYW5nZShpKzEpOgoJCXByaW50KGkrMSwgZW5kPSIgIikKCXByaW50KCk=