SLIDE 4 (How to calculate your code): Title "Как посчитать свой код 🔢". Reproduce the calculation METHOD exactly as shown in reference image 2 — follow its numbers, its steps and its logic precisely. Present it as clean numbered gold steps with a clear worked example that matches the method in reference image 2 (do NOT invent a different formula). Readable elegant Russian typography. Стиль оформление и в углу верхнем надпись 4/5 как в референсе 1
