#include <iostream>
#include <vector>

using namespace std;

void uporzadkuj(vector<int> & wek)
{
    int roz_wek = wek.size();
    int l = 0;
    int p = roz_wek;

    while (p > l){

        while(wek[l] % 2 == 1)
        {
            l++;
        }
        while(wek[p] % 2 == 0)
        {
            p--;
        }

        if(l < p)
        {
            swap(wek[l], wek[p]);
            l++;
            p--;
        }
    }
}

int main()
{
    vector<int> v(6);
    v[0] = 1;
    v[1] = 2;
    v[2] = 3;
    v[3] = 4;
    v[4] = 5;
    v[5] = 6;

    for(auto x: v)
    {
        cout << x << endl;
    }
    cout << "--------" << endl;
    uporzadkuj(v);

    for(auto x: v)
    {
        cout << x << endl;
    }
}