#include <fstream>
using namespace std;
ifstream fin("elmaj.in");
ofstream fout("elmaj.out");
int v[1000001],fr,sol,nr,n,i;
int main()
{
    fin>>n;
    for(i=1;i<=n;i++)
    {
        fin>>v[i];
        if(fr==0)
    sol=v[i],fr=1;
           else if(v[i]==sol) fr++;
        else fr--;
        if(fr==0)
            sol=v[i],fr=1;
    }
    for(i=1;i<=n;i++)
    {
        if(v[i]==sol) nr++;
    }
    if(nr>=n/2+1)
        fout<<sol<<' '<<nr;
    else fout<<-1;
    return 0;
}