#include <fstream>
#include <unordered_map>
using namespace std;
unordered_map<int, int> mymap;
ifstream in ("elmaj.in");
ofstream out ("elmaj.out");
int v[1000000],n;
int main()
{
    in>>n;
    for (int i=1;i<=n;++i)
        {
            in>>v[i];
            mymap[v[i]]++;
        }
    for (int i=1;i<=n;++i)
    {
        if (mymap[v[i]]>n/2)
            {
                out<<v[i]<<' '<<mymap[v[i]];
                return 0;
            }
    }
    out<<-1;
    return 0;
}