#include <iostream>
#include <fstream>
#include <algorithm>
#include <cstring>

using namespace std;

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

int v[1000005];

int main()
{
    int n, e = 0, nr = 0;
    fin >> n;
    for (int i = 1; i <= n; i++)
    {
        fin >> v[i];
        if (v[i] == e)
            nr++;
        else
            nr--;
        if (nr == -1)
        {
            e = v[i];
            nr = 1;
        }
    }
    int k = 0;
    for (int i = 1; i <= n; i++)
        if (v[i] == e)
            k++;
    if (k < n / 2 + 1)
        fout << -1 << '\n';
    else
        fout << e << ' ' << k << '\n';
    return 0;
}