#include <fstream>

using namespace std;

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

int v[1000001];

int main()
{
    int n, cand = -1, k = 0;
    in >> n;
    for (int i = 1; i <= n; ++i)
    {
        in >> v[i];
        if (k == 0)
        {
            cand = v[i];
            k = 1;
        }
        else if (v[i] == cand)
            ++k;
        else
            --k;
    }
    int nr = 0;
    for (int i = 1; i <= n; ++i)
    {
        if (v[i] == cand)
            ++nr;
    }
    if (nr >= n / 2 + 1)
        out << cand << " " << nr;
    else
        out << -1;
    return 0;
}