Start: Jul, 06, 2019 10:00:00
20190706Python程序设计基础培训扩展练习
End: Jul, 17, 2019 12:00:00
Time elapsed:
Time remaining:
Problem_ID: D
Result: Accepted
Time: 55ms
Memory: 25316kB
Author: 13867179686
In contest: 1300 
x,y=input().split()
print(x[int(y):])