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: 88ms
Memory: 24436kB
Author: ajwuzhicheng
In contest: 1123 
file={
	"doc":"Word",
	"xls":"Excel",
	"ppt":"PowerPoint"
}
filename=input()
print(file[(filename.split("."))[-1:-2:-1][0]])