Start: Nov, 12, 2017 10:00:00
2017秋Python程序设计基础培训第三次作业
End: Nov, 19, 2017 12:00:00
Time elapsed:
Time remaining:
Problem_ID: H
Result: Accepted
Time: 105ms
Memory: 24436kB
Author: jingelyy
In contest: 1123 
a=input()
if (a[-4:]==".ppt"):
    print("PowerPoint")
if (a[-4:]==".doc"):
    print("Word")
if (a[-4:]==".xls"):
    print("Excel")