#include <iostream>
#include <fstream>
using namespace std;

#define NMAX 1000100

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

int frequency[NMAX];
int n;

int main() {
    int x, maj, majfreq;
    maj = -1;

    in >> n;

    for (int i = 0; i < n; i++) {
        in >> x;
        frequency[x]++;
    }

    in.close();

    for (int i = 0; i < n; i++) {
        if (frequency[i] > n / 2 && frequency[i] > maj) {
            maj = i;
            majfreq = frequency[i];
        }
    }

    if (maj != -1) {
        out << maj << " " << majfreq;
    }
    else {
        out << "-1";
    }

    out.close();

    return 0;
}