#include <iostream>
#include<fstream>
#define N 1000005
using namespace std;

ifstream fin("elmaj.in");
ofstream fout("elmaj.out");

int n,a[N];

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

int main()
{
   solve();
    return 0;
}