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