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

int main() {
    map<int, string> m;
    m.insert(make_pair(1, "apple"));
    m.insert(make_pair(2, "banana"));
    m.insert(make_pair(1, "orange"));
    m[2] = "pear";
    cout << m.size() << " " << m[1] << " " << m[2] << endl;
    return 0;
}