#include <fstream>

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