#include <fstream>
using namespace std;
ifstream cin("elmaj.in");
ofstream cout("elmaj.out");

int n, i, nr, fr, cand, v[1000001];

int main()
{
    cin >> n;
    cin >> v[1];
    cand = v[1];
    fr = 1;
    for (i = 2; i <= n; i++)
    {
        cin >> v[i];
        if (cand == v[i])
            fr++;
        else
            fr--;
        if (fr == 0)
        {
            cand = v[i];
            fr++;
        }
    }
    if (fr <= 0)
        cout << -1;
    else
    {
        for (i = 1; i <= n; i++)
        {
            if (v[i] == cand)
                nr++;
        }
        if (nr > n / 2)
            cout << cand << ' ' << nr;
        else
            cout << -1;
    }
}