#include <fstream>
#define NMAX 1000010

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

int n;
int v[NMAX];

int main() {
    int cand;
    int ap = 0;

    fin >> n;
    for (int i = 0; i < n; i++) {
        fin >> v[i];
        if (!ap) {
            cand = v[i];
            ap = 1;
        }
        else if (v[i] == cand)
            ap++;
        else
            ap--;
    }

    if (ap > n / 2) {
        fout << cand << ' ' << ap << '\n';
        fout.close();
        return 0;
    }

    ap = 0;
    for (int i = 0; i < n; i++)
        if (v[i] == cand)
            ap++;

    if (ap > n / 2) {
        fout << cand << ' ' << ap << '\n';
        fout.close();
        return 0;
    }

    fout << "-1\n";
    fout.close();
    return 0;
}