Hi, Codeforces! :)<br>↵
I'm glad to say that IOI 2017 will begin officially tomorrow in Tehran, Iran! <br>↵
![ ](http://bayanbox.ir/view/7884439757741151701/Azadi-black-flag.png)↵
During the event, we try our best to keep you updated with the news and medias and you can follow them on these channels:<br>↵
↵
- [The official site](http://ioi2017.org/)<br>↵
- [Facebook page](https://www.facebook.com/IOI2017Iran) (there's also a facebook group linked to the page)<br>↵
- [Twitter page] (https://twitter.com/ioi2017iran)<br>↵
- [Instagram page](https://www.instagram.com/IOI2017Iran/)<br>↵
- [Youtube page](https://www.youtube.com/channel/UCKYy-XWyYxFSB7uEmAA4Fow) <br>↵
↵
And of course Codeforces, as a great community of relevant people! <br>↵
So I invite participants to share their experience of the event here with #ioi2017iran.<br>↵
↵
Best of luck! :)<br>↵
**UPD1**: Live coverage of the opening ceremony is now available at our Instagram and Facebook pages! <br>↵
**UPD2**: You can see the live scoreboard of the contest at [ranking.ioi2017.org/Ranking.html](http://ranking.ioi2017.org/Ranking.html)↵
**UPD3**: The online mirror round starts exactly one hour after the start of the official contest at [Yandex](https://contest.yandex.com/ioi/contest/4767/).
I'm glad to say that IOI 2017 will begin officially tomorrow in Tehran, Iran! <br>↵
![ ](http://bayanbox.ir/view/7884439757741151701/Azadi-black-flag.png)↵
During the event, we try our best to keep you updated with the news and medias and you can follow them on these channels:<br>↵
↵
- [The official site](http://ioi2017.org/)<br>↵
- [Facebook page](https://www.facebook.com/IOI2017Iran) (there's also a facebook group linked to the page)<br>↵
- [Twitter page] (https://twitter.com/ioi2017iran)<br>↵
- [Instagram page](https://www.instagram.com/IOI2017Iran/)<br>↵
- [Youtube page](https://www.youtube.com/channel/UCKYy-XWyYxFSB7uEmAA4Fow) <br>↵
↵
And of course Codeforces, as a great community of relevant people! <br>↵
So I invite participants to share their experience of the event here with #ioi2017iran.<br>↵
↵
Best of luck! :)<br>↵
**UPD1**: Live coverage of the opening ceremony is now available at our Instagram and Facebook pages! <br>↵
**UPD2**: You can see the live scoreboard of the contest at [ranking.ioi2017.org/Ranking.html](http://ranking.ioi2017.org/Ranking.html)↵
**UPD3**: The online mirror round starts exactly one hour after the start of the official contest at [Yandex](https://contest.yandex.com/ioi/contest/4767/).