该比赛已结束，您无法在比赛模式下递交该题目。您可以点击“在题库中打开”以普通模式查看和递交本题。

This is the example A+B problem. If you didn't see 'No testdata at current' message, it means file storage is working properly. Just write a program that reads two integers from standard input, and prints their sum to standard output. Feel free to delete this problem in 'Edit' panel if you don't need this. Click 'Enter Online Programming Mode' to open the built-in Hydro IDE.