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

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

int main()
{
    int n;
    cin >> n;

    vector<int> a(n + 1);
    for(int i = 1; i <= n; i++)
        cin >> a[i];

    int candidat = a[1], aparitii = 1;
    for(int i = 2; i <= n; i++)
    {
        if(a[i] == candidat)
            aparitii++;
        else
        {
            aparitii--;
            if(aparitii == 0)
            {
                candidat = a[i];
                aparitii = 1;
            }
        }
    }

    aparitii = 0;
    for(int i = 1; i <= n; i++)
        if(a[i] == candidat)
            aparitii++;

    if(aparitii >= n / 2 + 1)
        cout << candidat << ' ' << aparitii;
    else
        cout << -1;

    return 0;
}