#include <fstream>

using namespace std;

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

int v[400000001], x, n, e, cate;

int main()
{
    in >> n;
    for(int i=1;i<=n;i++)
    {
        in >> x;
        v[x]++;
        if(v[x]>cate)
        {
            e=x;
            cate=v[x];
        }
    }
    if(cate>n/2)
        out << e << " " << v[e];
    else
        out << -1;
    in.close();
    out.close();
    return 0;
}