#!/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)