#include <fstream>
#include <algorithm>
using namespace std;
ifstream in("elmaj.in");
ofstream out("elmaj.out");
int main()
{
    int n, val =-1 , con=1;
    in>>n;
    int v[n+1];
    for(int i=1;i<=n;i++)
    {
        in>>v[i];
        if(v[i]==val)
            con++;
        else
            con--;
        if(con==0)
        {
            val=v[i];
            con=1;
        }
    }
    con=0;
    for(int i=1;i<=n;i++)
        if(v[i]==val)
           con++;
    if(con>=n/2+1)
      out<<val<<" "<<con;
    else
        out<<"-1";

}