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

int main(){
	vector<int> integer_list;

	cout << integer_list.capacity() << endl;
	integer_list.push_back(5);
	cout << integer_list.capacity() << endl;
	integer_list.push_back(18);
	cout << integer_list.capacity() << endl;
	integer_list.push_back(283);
	cout << integer_list.capacity() << endl;
	integer_list.push_back(357);
	cout << integer_list.capacity() << endl;
	integer_list.push_back(420);
	cout << integer_list.capacity() << endl;

	for(auto i : integer_list)
		cout << i << " ";
	cout << endl;

	cout << integer_list[3] << endl;

	return 0;
}