#include <fstream>
#include <algorithm>
using namespace std;
ifstream f("elmaj.in");
ofstream g("elmaj.out");
int v[1000010],a[99999999],i,x,n,nrmax,nr,elemaj;
int main()
{
    f>>n;
    for(i=1;i<=n;i++)
        f>>v[i];
        nrmax=-1;
    for(i=1;i<=n;i++)
    {
        a[v[i]]++;
        if(a[v[i]]>nrmax)
        {
            nrmax=a[v[i]];
            elemaj=v[i];
        }
    }
    if(nrmax>=n/2+1)
        g<<elemaj<<" "<<nrmax;
    else
        g<<-1;
    return 0;
}