Ответ:
lesson_number = int(input())
if lesson_number == 1:
print("Метаматематика")
elif lesson_number == 2:
print("Биология")
elif lesson_number == 3:
print("Русский")
elif lesson_number == 4:
print("Литература")
elif lesson_number == 5:
print("Информатика")
else:
print("Неверный номер урока")