Problema 1

#include <iostream>

using namespace std;

int main() {
    int x, even_sum = 0;
    int reversed_num = 0;
    cin >> x;

    while (x != 0) {
        int last_digit = x % 10;
        if (!(last_digit & 1)) {
            even_sum += last_digit;
        }
        reversed_num = reversed_num * 10 + last_digit;
        x /= 10;
    }

    cout << reversed_num << " " << even_sum;

    return 0;
}