#include <fstream>
using namespace std;

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

int ap,cnd,v[1000010],i,n;

int main()
{
    fin>>n;
    for (i=1; i<=n; i++)
    {
        fin>>v[i];
    }

    cnd=v[1];
    ap=1;
    for (i=2; i<=n; i++)
    {
        if (v[i]==cnd)
            ap++;
        else
            ap--;
        if (ap==-1)
        {
            cnd=v[i];
            ap=1;
        }
    }
    ap=0;
    for (i=1; i<=n;i++)
    {
        if (v[i]==cnd)
            ap++;
    }
    if (ap>=n/2+1)
    {
        fout<<cnd<<" "<<ap;
    }
    else
        fout<<-1;

    return 0;
}