PrS&Q

#include <iostream>
#include <stack>
#include <queue>
#include <fstream>

using namespace std;

int main (void)
{
    ifstream in ("input.txt");
    ofstream out ("output.txt");

    queue <int> q;
    stack <int> s;

    int a;
    while (in >> a)
    {
        q.push(a);
    }

    while (!q.empty())
    {
        a = q.front();
        q.pop();
        if (a % 2 != 0)
        {
            s.push(a);
        }
    }

    while (!s.empty())
    {
        a = s.top();
        s.pop();
        if (a % 3 == 0)
            out << a << " ";
    }
}