#include <fstream>
using namespace std;

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

const int kNMax = 1000010;
int n, v[kNMax];

int main() {
    int cand, contor;
    in >> n;
    in >> v[1];
    cand = v[1];
    contor = 1;
    for (int i = 2; i <= n; ++i) {
        in >> v[i];
        if (v[i] == cand)
            ++contor;
        else {
            if (!contor) {
                contor = 1;
                cand = v[i];
            } else
                --contor;
        }
    }
    contor = 0;
    for (int i = 1; i <= n; ++i)
        if (cand == v[i])
            ++contor;
    if (contor >= (n / 2) + 1)
        out << cand << ' ' << contor << '\n';
    else
        out << -1 << '\n';
    in.close();
    out.close();
    return 0;
}