#include <iostream>
#include <map>
using namespace std;
int main() {
map<int, string> m;
m[1] = "one";
m.insert(make_pair(2, "two"));
m[2] = "second";
m.insert(make_pair(1, "first"));
cout << m.size() << " " << m[1] << " " << m[2] << endl;
return 0;
}