#include <fstream>
#include <map>

using namespace std;

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

map<unsigned, unsigned> ap;

unsigned N, val, cmax, rez;

int main()
{
    in >> N;
    for(unsigned i = 1; i <= N; ++i)
    {
        in >> val;
        ++ap[val];
        if(ap[val] > cmax)
        {
            cmax = ap[val];
            rez = val;
        }
    }
    if(cmax > N / 2)
        out << rez << ' ' << cmax;
    else out << -1;
    return 0;
}