#include <fstream>

using namespace std;
int main()
{
    ifstream in ("elmaj.in");
    ofstream out ("elmaj.out");
    int n,v[1000005],candidat,nrap=0;
    in>>n>>v[0];
    candidat=v[0];
    for (int i=1;i<n;i++)
    {
        in>>v[i];
        if (v[i]==candidat)
        {
            nrap++;
        }
        else
        {
            nrap--;
        }
        if (nrap==0)
        {
            candidat=v[i];
            nrap=1;
        }
    }
    in.close();
    nrap=0;
    for (int i=0;i<n;i++)
    {
        if (v[i]==candidat)
        {
            nrap++;
        }
    }
    if (nrap>n/2)
    {
        out<<candidat<<" "<<nrap;
    }
    else
    {
        out<<-1;
    }
    out.close();

    return 0;
}