#include <iostream>
#include <vector>
#include <algorithm>
using namespace std;
int main() {
    vector<int> vec = {1,2,3,4,5};
    vec.erase(vec.begin() + 2);
    vec.insert(vec.begin() + 1, 6);
    reverse(vec.begin(), vec.end());
    for (int i = 0; i < vec.size(); ++i) {
        cout << vec[i] << " ";
    }
    return 0;
}