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

int main() {
    map<int, string> m;
    m[1] = "apple";
    m.insert(make_pair(2, "banana"));
    cout << m.size() << " ";
    if(m[3] == "cherry") {
        cout << "exist";
    }
    cout << m.size() << endl;
    return 0;
}