Start: Apr, 17, 2017 10:00:00
Python程序设计基础培训第二次作业
End: Apr, 23, 2017 14:00:00
Time elapsed:
Time remaining:
Problem_ID: A
Result: Accepted
Time: 118ms
Memory: 21432kB
Author: 18267909239
In contest: 1086 
a=0
for i in range(2,101,2):
	a+=i
print a