#include <iostream>
#include <fstream>
using namespace std;
ifstream fin("elmaj.in");
ofstream fout("elmaj.out");
long long  v[1000001];
int main()
{
    int cnd=0,k=0,nr=0;
    //ong long v[1000000];
  long long n;
    fin>>n;
    for(int i=1;i<=n;i++)
    {
         fin>>v[i];
        if(k==0)
        {
            cnd=v[i];k++;
        }
        else
        {
            if(v[i]==cnd)k++;
            else k--;
        }
    }
   for(int i=1;i<=n;i++)
    if(v[i]==cnd)nr++;
   if(nr>n/2)fout<<cnd<<" "<<nr;
   else fout<<"-1";
    return 0;
}