#include <fstream>

using namespace std;

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

int v[400000001], x;

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