Vitya in the Countryside CF 719ADescriptionEvery summer Vitya comes to visit his grandmother in the countryside. This summer, he got a huge wart. Every grandma knows that one should treat warts ...
Benches CF 1042AThere are nn benches in the Berland Central park. It is known that aiai people are currently sitting on the ii-th bench. Another mm people are coming...
Phone Numbers CF 1060ADescriptionLet's call a string a phone number if it has length 11 and fits the pattern "8xxxxxxxxxx", where each "x" is replaced by a digit.For example, "80123456789" a...
Romaji CF 1008AVitya has just started learning Berlanese language. It is known that Berlanese uses the Latin alphabet. Vowel letters are "a", "o", "u", "i", and "e". Other letters are consonant.In Ber...
Meeting of Old Friends CF 714ADescriptionToday an outstanding event is going to happen in the forest — hedgehog Filya will come to his old fried Sonya!Sonya is an owl and she sleeps during the d...