M = int(input())
def solution(M):
result_str=""
for row in range(0,M+1):
for column in range(0,M+1):
if (column == 1 or (row == M and column != 0 and column < M)):
result_str=result_str+"*"
else:
result_str=result_str+" "
result_str=result_str+"\n"
print(result_str)
solution(M)
TSA9IGludChpbnB1dCgpKQpkZWYgc29sdXRpb24oTSk6CQoJcmVzdWx0X3N0cj0iIgoJZm9yIHJvdyBpbiByYW5nZSgwLE0rMSk6ICAgIAoJICAgIGZvciBjb2x1bW4gaW4gcmFuZ2UoMCxNKzEpOiAgICAgCgkgICAgICAgIGlmIChjb2x1bW4gPT0gMSBvciAocm93ID09IE0gYW5kIGNvbHVtbiAhPSAwIGFuZCBjb2x1bW4gPCBNKSk6ICAKCSAgICAgICAgICAgIHJlc3VsdF9zdHI9cmVzdWx0X3N0cisiKiIgICAgCgkgICAgICAgIGVsc2U6ICAgICAgCgkgICAgICAgICAgICByZXN1bHRfc3RyPXJlc3VsdF9zdHIrIiAiICAgIAoJICAgIHJlc3VsdF9zdHI9cmVzdWx0X3N0cisiXG4iICAgIAoJcHJpbnQocmVzdWx0X3N0cikKc29sdXRpb24oTSk=