#include <fstream>
#define dim 1000000
using namespace std;

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

int v[ dim ];

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