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Лимит времени 200/200/4000/4000 мс. Лимит памяти 65000/65000/65000/65000 Кб.
Write a program that checks if an entered character is between 'a' and 'z' or 'A'
and 'Z'. Namely check if it is a letter or not.
Input: One character.
Output: "IT IS A LETTER" or "IT IS NOT A LETTER". Для отправки решений необходимо выполнить вход.
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