Problem 22875 --火车票

22875: 火车票

Time Limit: 1 Sec  Memory Limit: 128 MB
Submit: 1  Solved: 1
[Submit][Status][Web Board][Creator:][下载FPS1元][添加到购物车][下载测试数据1元][44kb]

Description

Input

Output

HINT

Source

[Submit][Status]