int AP[10];
void suma(unsigned int n, unsigned int &s)
{
    s = 0;
    int c;
    while(n != 0)
    {
        c = n % 10;
        n = n / 10;
        if(c % 2 == 1)
            AP[c] = 1;
    }
    for(int i = 1; i <= 9; i = i + 2)
        if(AP[i] == 1)
            s = s + i;
}