def calculate_sum(numbers_string):
numbers_list = numbers_string.split()
total_sum = 0
for number in numbers_list:
total_sum += int(number)
return total_sum

numbers_string = input("Введите числа, разделенные пробелами: ")
result = calculate_sum(numbers_string)
print(f"Сумма чисел: {result}")