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

int main() {

    map<string, int> oceni;

    oceni["Josif"] = 3;
    oceni["Kiril"] = 4;
    oceni["Petar"] = 5;


    for(pair<string, int> p: oceni) {
        cout << p.first << " " << p.second << endl;
    }

    for(map<string, int>::iterator it = oceni.begin(); it != oceni.end(); it++) {
        cout << it->first << " " << it->second << endl;
    }
    return 0;
}