using System;
namespace DataTypes___Lab
{
class Program
{
static void Main(string[] args)
{
int number = Math.Abs(int.Parse(Console.ReadLine()));
Console.WriteLine(GetSumOfOddDigits(number) * GetSumOfEvenDigits(number));
}
static int GetSumOfOddDigits(int number)
{
int sum = 0;
while (number > 0)
{
int lastDigit = number % 10;
if (lastDigit % 2 != 0)
{
sum += lastDigit;
}
number /= 10;
}
return sum;
}
static int GetSumOfEvenDigits(int number)
{
int evenSum = 0;
while (number > 0)
{
int lastDigit = number % 10;
if (lastDigit % 2 == 0)
{
evenSum += lastDigit;
}
number /= 10;
}
return evenSum;
}
}
}
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