#include <fstream>
using namespace std;
ifstream cin("elmaj.in");
ofstream cout("elmaj.out");
int v[1000009];
int main () {
    int n;
    cin>>n;
    for (int i=1; i<=n; i++)
        cin>>v[i];
    int candidat=0, k=0;
    for (int i=1; i<=n; i++) {
        if (!k) candidat=v[i], k=1;
        else {
            if (v[i]==candidat) k++;
            else k--;
        }
    }
    cout<<candidat;
    int nr=0;
    for (int i=1; i<=n; i++) if (v[i]==candidat) nr++;
    if (nr>n/2) cout<<candidat<<' '<<nr;
    else cout<<-1;
}