#include <iostream>
#include <fstream>
#include <algorithm>
#include <vector>
#define N 1005
using namespace std;
ifstream fin(".in");
ofstream fout(".out");

 vector<int> A;

int main()
{

  for(int i = 1 ; i <= 5 ; i ++)
    A.push_back(2 * i);

  for(int i=0;i<A.size();i++)
    cout<<A[i]<<" ";
  cout<<"\n";

  for(int i=0;i<A.size();i++)
    cout<<A.at(i)<<" ";
  cout<<"\n";

 for(int i: A)
    cout<<i<<" ";
  cout<<"\n";

  for(auto i: A)
    cout<<i<<" ";
  cout<<"\n";

  for( auto &i: A)
    i+=2;
   for(auto i: A)
    cout<<i<<" ";
  cout<<"\n";

   cout << A.size()<<"\n";
  cout << A.capacity()<<"\n";
  cout << A.max_size()<<"\n";
  return 0;
}