#!/usr/bin/env python def print_square(x): s1 = '*' s2 = '*' * x s3 = '*' * x + '\n' s4 = ('*' * x + '\n') * x print(('*'*x + '\n')*x) if __name__ == '__main__': n = int(input()) for i in range(1,n+1): print(('*'*i + '\n')*i)