Numere14

#include <fstream>

using namespace std;

ifstream cin("numere14.in");
ofstream cout("numere14.out");

int main()
{
    int n, s = 0;
    cin >> n;

    for(int i = 1; i <= n; ++i)
    {
        int x, X, cifre = 1, c;
        cin >> x;
        X = x;

        while(x > 9)
        {
            ++cifre;
            x /= 10;
        }

        cifre /= 2;

        for(int i = 1; i <= cifre; ++i)
        {
            X /= 10;
        }

        c = X % 10;

        if(c % 2 != 0) s += c;
    }

    cout << s;

    return 0;
}