Today at 5 PM Moscow time, a large and almost unlimited promo code for hotels from Yandex Travel starts.
It will be valid for exactly 24 hours, so you can choose a hotel etc. now, and pay later in the evening using the promo code.

No one knows the promo code yet; it will appear exactly at 5:00 PM at this link.

Terms:
• 20% discount, but not more than 100,000 RUB on booking hotels and other accommodation for 3 nights or more
• Validity period — only 24 hours: from May 27, 5:00 PM to May 28, 5:00 PM (Moscow time)
• Works on the website and in the app

Remember that there are many hotels with free cancellation; you can book today and then pick tickets and route later.