#include <iostream>
#include <fstream>

using namespace std;

ifstream in("elmaj.in");
ofstream out("elmaj.out");

const int N = 1000000;
int candidat, n, nrap = 0;

int main()
{
    in >> n >> v[0];
    candidat = v[0];
    nrap = 1;
    for (int i = 1; i < n; i++)
    {
        in >> v[i];
        if (v[i] == candidat)
        {
            nrap++;
        }
        else
        {
            nrap--;
        }
        if (nrap == 0)
        {
            candidat = v[i];
            nrap = 1;
        }
    }
    nrap = 0;
    for (int i = 0; i < n; i++)
    {
        if (v[i] == candidat)
        {
            nrap++;
        }
    }
    if (nrap > n/2)
    {
        out << candidat << " " << nrap;
    }
    else
    {
        out << -1;
    }
    return 0;
}