#include <fstream>
#define nmax 1000001
using namespace std;
ifstream fin("elmaj.in");
ofstream fout("elmaj.out");

int a[nmax],n;

int main()
{   int i,maj,vot,ct;
    fin>>n;
    for(i=1;i<=n;i++) fin>>a[i];
    maj=a[1]; vot=1;
    for(i=2;i<=n;i++)
       if(a[i]==maj) vot++;
       else if(vot>0) vot--;
            else {maj=a[i]; vot=1;}
    ct=0;
    for(i=1;i<=n;i++)
       if(a[i]==maj) ct++;
    if(ct>=n/2+1) fout<<maj<<" "<<ct;
    else fout<<"-1";
    return 0;
}