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: 127ms
Memory: 21432kB
Author: 13175218570
In contest: 1086

a=[]
while True:
	c = int(input())
	if c == 0:
		break;
	h=100.0
	for ta in range(0,c):
		h=h*0.7
	a.append(h)
for k in a:
	print('%.2f'%k)