Грамматически правильными будут оба варианта, вне зависимости от того, на каком ресурсе вы будете размещать свое послание)) Я бы предпочла родительныц падеж...
Глагол ПРИЙТИ — один из самых проблемных при написании, причем это касается и вполне грамотных людей, которые не знают какправильнописать — ПРИЙТИ или...
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