#include<algorithm>
#include<fstream>
using namespace std;
int v[1000005],a[999999],n;
int main()
{
    ifstream fin("elmaj.in");
    ofstream fout("elmaj.out");
    int i,j,x,maxim,y;
     fin>>n;
    x=(n/2)+1;
    for(i=1;i<=n;i++)
    fin>>v[i];
    for(i=1;i<=n;i++)
     {
         a[v[i]]++;
         if(a[v[i]]>=x)
         {
             maxim=a[v[i]];
             y=v[i];
         }
     }
     if(x>maxim)fout<<"-1";
     else
    fout<<y<<" "<<maxim;
    fin.close();
    fout.close();
}