Vlad-y157-tanya---two-customs

Vlad, Y157, and Tanya embarked on a journey that took them through two countries, each with its unique customs regulations. Their adventure started at a bustling international airport, where they were about to board a flight to their first destination. As they made their way through the departure lounge, they couldn't help but feel a sense of excitement mixed with a bit of apprehension. What lay ahead in terms of customs procedures?