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: 121ms
Memory: 21432kB
Author: 18057153711
In contest: 1087 
dict1={'doc':"Word",'xls':'Excel','ppt':'PowerPoint'}
a=raw_input()
b=a[len(a)-3:len(a)]
print dict1[b]