Start: Apr, 17, 2017 10:00:00
Python程序设计基础培训第二次作业
End: Apr, 23, 2017 14:00:00
Time elapsed:
Time remaining:

Problem_ID: C
Result: Accepted
Time: 120ms
Memory: 21432kB
Author: 15258500717
In contest: 1086

#!usr/bin/python
while True:
	n=int(input())
	if n==0:
		break
	else:
		h=100
		for i in range(1,n+1):
			h=h*0.7
		print '%.2f'%h