#include <iostream>
#include <fstream>
#include <algorithm>
#define MAXN 1000005

using namespace std;

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

int n,v[MAXN];

void cit(){
    in>>n;
    for(int i = 0 ; i < n; i++)
        in>>v[i];
}
void rez(){
    int k = 1,candidat = 0;
    for(int i = 0; i < n; i ++){
        if(v[i] == candidat)
            k++;
        else
            k--;
        if(k == 0){
            candidat = v[i];
            k = 1;
        }
    }
    if(!candidat)
        return;
    int nrapp = 0;
    for(int i = 0; i < n; i ++)
        if(v[i] == candidat)
            nrapp++;
    if(nrapp >= n/2+1)
        out<<candidat<<" "<<nrapp;
    else
        out<<-1;
}

int main()
{
    cit();
    rez();
    return 0;
}