#include <iostream>
#include <fstream>

using namespace std;


int main () {

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

    int n;
    input >> n;
    int arr[n];

    for (int i = 0; i < n; i++){
        input >> arr[i];
    }

    for (int i = 0; i < n; i++) {
        int count = 0;

        for (int j = 0; j < n; j++) {
            if (arr[i] == arr[j]) {
                count++;
            }
        }

        if (count > n / 2) {
            output << arr[i] << ' ' << count;
            goto end;
        }
    }
    output << -1;
    end:
    return 0;
}