#include<iostream>
#include<vector>
#include<fstream>
#include<algorithm>
#include<string>
#include<list>
#include<tuple>

using namespace std;

struct pomiar{
    pair<int, int>jedenDwa;

};
int main()
{
    pomiar p;
    vector<pomiar>dane;

    int ile_par;
    cout << "Ile par" << endl;
    cin >> ile_par;
    cout << "Wpisz pary cyfr" << endl;


    for (int i = 0; i < ile_par; i++)
    {
        int x, y;
        if (i > 0)
        {
            cout << "pierwsza: " << endl;
            cin >> x;
        }
        else
            x = 0;
        cout << "druga " << endl; cin >> y;
        p.jedenDwa = make_pair(x, y);
        dane.push_back(p);
    }
    bool dojdzie=false;
    int z = 0;
    for (int d = 0;d < dane.size();d++)
    {

        for (int i = 1; i < dane.size(); i++)
        {
            if (dane[z].jedenDwa.second == dane[i].jedenDwa.first)
            {
                if (dane[i].jedenDwa.second == 5)
                {
                    dojdzie = true;
                    break;

                }
                else
                    z = i;

            }
            else continue;
        }
    }

    if (dojdzie == true)
        cout << "JANEK DOJDZIE DO SKLEPU!!" << endl;
    else
        cout << "Nie dojdzie :(" << endl;



    return 0;
}