Zadatak 6.

#include <bits/stdc++.h>

using namespace std;

int main()
{
    int n;
    cin >> n;
    int niz[n];
    for (int i = 0; i < n; i++){
        cin >> niz[i];
    }
    for (int i = 0; i < n; i++){
        if (niz[i] % 2 == 0){
            niz[i] /= 2;
        }
        else {
            niz[i] *= 2;
        }
    }

    for (int i = 0; i < n; i++){
        cout << niz[i] << " ";
    }

    cout << endl;
    return 0;
}