#include <iostream>
#include <fstream>

using namespace std;

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

int v[1000001];
int n,contor,numar;
int main()
{
    in>>n;
    numar=-1;
    contor=0;
    for (int i=1;i<=n;++i)
        in>>v[i];
    for (int i=1;i<=n;++i)
    {
        if (contor==0)
        {
            numar=v[i];
            contor=1;
        }
        else
        {
            if (numar==v[i])
                ++contor;
            else
                --contor;
        }
    }
    if (numar==-1)
    {
        out<<-1;

    }
    contor=0;
    for (int i=1;i<=n;++i)
        if (v[i]==numar)
            ++contor;
    if (contor>n/2)
        out<<numar<<" "<<contor;
    else
        out<<-1;
    return 0;
}