#include <map>
#include <iostream>

using namespace std;

main(int argc, char **argv) {
	map<int, int> m_machines;
	m_machines.insert(pair<int,int>(3,185));
	map<int,int>::iterator iter = m_machines.begin();
	while(iter != m_machines.end())
	{
		cout << (*iter).first << ':' << (*iter).second << endl;
		++iter;
	}
	cout << m_machines[1] << endl;
	cout << m_machines[3] << endl;
	m_machines.begin();
	cout << m_machines[3] << endl;

}