/*
    Rescriere OLI 2015
    Start: 10:45
*/

#include    <iostream>
#include    <fstream>

using namespace std;

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

const int NLIM = 1000005;
int N, V[NLIM];

int candidat, appears, var;
void Read()
{
    fin >> N;
    for(int i = 1; i <= N; i++)
        fin >> V[i];

    for(int i = 1; i <= N; i++)
    {
        if(var == 0)
        {
            candidat = V[i];
            var = 1;
        }
        else
        {
            if(V[i] == candidat)
                var += 1;
            else
                var -= 1;
        }
    }

    for(int i = 1; i <= N; i++)
        if(V[i] == candidat)
            appears += 1;

    if(appears < N / 2 + 1)
        fout << "-1";
    else
        fout << candidat << " " << appears;
}

int main()
{
    Read();
    return 0;
}