#include <iostream>
#include <vector>
using namespace std;

void f(vector<int> a) {
    for (auto e : a) {
        cout << e << ' ';
    }
    cout << endl;
    return;
}

int main() {
    vector<int> a({2, 3, 5, 6});
    f(vector<int>(a.begin() + 1, a.begin() + 3));
    return 0;
}