Start: Apr, 17, 2017 10:00:00
Python程序设计基础培训第三次作业
End: Apr, 23, 2017 14:00:00
Time elapsed:
Time remaining:
Problem_ID: H
Result: Accepted
Time: 129ms
Memory: 21432kB
Author: 15258500717
In contest: 1087 
str=raw_input()
if '.doc' in str:
	print 'Word'
elif '.ppt' in str:
	print 'PowerPoint'
elif 'xls' in str:
	print 'Excel'