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: 131ms
Memory: 21432kB
Author: 13065754237
In contest: 1086

while True:      
	b=int(input())
	if b==0:
		break
	else:
		a=100
		for i in range(1,b+1):
			a*=0.7
		print '%.2f' % a