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: 120ms
Memory: 21432kB
Author: 15957554881
In contest: 1087 
d = {
    'doc':'Word',
    'xls':'Excel',
    'ppt':'PowerPoint',
    }
str1,str2=map(str,raw_input().strip().split('.'))
print d[str2]