def check_positive_number():
	qop = 0
	text_input = "Введите x:"
	text_enter_string = "Введите числовое значение"
	text_enter_minus_number = "Введите положительное число"
	text_null = "Пустовато :("
	while qop == 0:
		try:
			your_number_name = int(input(text_input))
		except ValueError:
			print(text_enter_string)
			continue
		if your_number_name < 0:
			print(text_enter_minus_number)
		elif your_number_name == 0:
			print(text_null)
		else:
			qop+= 1
print("a = 5 + x")
check_positive_number()
a = 5 + your_number_name
print("a = ", a)

 global your_number_name

 def get_num():
    while True:
        _num = input("Ur num noob: ")
        if not _num:
            print("No stdin!")
            continue
        if not _num.isdigit():
            print("Ti durak  shto li? Nado chislo, i chtobi poloshitelnoe!!")
            continue
        return _num
print(f"Ur formatted num: {int(get_num) + 5}")