#include <iostream>
#include <fstream>

using namespace std;

int n;
int v[1000002];

int main()
{
    ifstream fin("elmaj.in");
    fin >> n;
    for(int i = 0; i < n; i++)
    {
        fin >> v[i];
    }
    fin.close();

    int nr = -1;
    int counter = 0;
    for(int i = 0; i < n; i++)
    {
        if (v[i] == nr)
        {
            counter ++;
        }
        else
        {
            counter --;
            if (counter < 0)
            {
                counter = 1;
                nr = v[i];
            }
        }
    }

    counter = 0;
    for(int i = 0; i < n; i++)
    {
        if(v[i] == nr)
        {
            counter ++;
        }
    }

    ofstream fout("elmaj.out");
    if (counter < n / 2 + 1)
    {
        fout << -1;
    }
    else
    {
        fout << nr << " " << counter;
    }

    return 0;
}