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

int main()
{
    vector<int> coll;    // vector container for integer elements

    // append elements with values 1 to 6
    for (int i=1; i<=6; ++i) {
        coll.push_back(i);
    }

    // print all elements followed by a space
    for (int i=0; i<coll.size(); ++i) {
        cout << coll[i] << ' ';
    }
    cout << endl;

    //print the number of elements
    cout << coll.size() << endl;
    
}