Start: Jul, 17, 2019 00:00:00
20190717Python程序设计基础培训扩展练习
End: Jul, 21, 2019 00:00:00
Time elapsed:
Time remaining:
Problem_ID: D
Result: Accepted
Time: 48ms
Memory: 25312kB
Author: 13967792528
In contest: 1296 
a=input().split()
print(a[0][int(a[1]):])