#include <fstream>
#define MX 1000001
using namespace std;

ifstream fin("elmaj.in");
ofstream fout("elmaj.out");
int n,a[MX];

int main()
{
    int i;
    int act,k,nr;
    k = nr = 0;

    fin>>n;
    for(i=1; i<=n; i++)
    {
        fin>>a[i];
        if(k == 0)
        {
            act = a[i];
            k = 1;
        }
        else
        {
            if(a[i] == act) k++;
            else k--;
        }
    }

    for(i=1; i<=n; i++)
    {
        if(a[i] == act) nr++;
    }

    if(nr > n/2) fout<<act<<' '<<nr;
    else fout<<-1;

    fin.close(); fout.close();
    return 0;
}