#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;
int main()
{
    fin >> N;
    for(int i = 1; i <= N; i++)
        fin >> V[i];

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

        }
    }

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

    if(appears < N / 2 + 1)
        fout << "-1";
    else
        fout << candidat << " " << appears;
    fin.close();
    fout.close();
    return 0;
}