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: E
Result: Accepted
Time: 94ms
Memory: 21428kB
Author: 13777378855
In contest: 1086

c=raw_input()
print c.lower()