#include <fstream>

using namespace std;

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

int v[1000001];

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