#!/usr/bin/python
#-*-coding:utf-8 -*-
# Sat Apr 11 18:37:01 2015
import time

#------------------------------------query------------------------------------#
your_time = int(raw_input("请输入倒计时数："))

#---------------------------------main script---------------------------------#
for i in range(your_time,0,-1):
print i, '*' * i
time.sleep(1)

print "BLAST OFF!"