#include <fstream>
#include <map>
using namespace std;
ifstream in("elmaj.in");
ofstream out("elmaj.out");
int n,elmaj,i,x;
map <int,int> m;
int main()
{
    in>>n;
    for (i=1; i<=n; ++i)
    {
        in>>x;
        m[x]++;
        if (m[x]>n/2)
        {
            elmaj=1;
            out<<x<<" "<<m[x]<<"\n";
            break;
        }
    }
    if (!elmaj)
    {
        map <int,int>::iterator it;
        for (it=m.begin(); it!=m.end(); ++it)
        {
            if (it->second>n/2)
            {
                elmaj=1;
                out<<it->first<<" "<<it->second<<"\n";
                break;
            }
        }
        if (!elmaj)
            out<<"-1\n";
    }
}