#include <iostream>
using namespace std;
int main(){
int n, v[100];
cout << "Nr elemente : ";
cin >> n;
cout << "Introduceti vector :";
for(int i=0; i<n;i++) cin >> v[i];
cout << "Elemente pozitii pare :";
for(int i=0; i<n;i+=2) cout << v[i] << " ";
}