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

int n,v[2000000];

void citire()
{
    fin>>n;
    for(int i=1;i<=n;i++)fin>>v[i];
}

int main()
{
    int cand,k=1;
    citire();
    cand=v[1];
    for(int i=2;i<=n;i++)
    {
        if(v[i]==cand)k++;
        else
        {
            k--;
            if(k==0){cand=v[i];k=1;}
        }
    }
    k=0;
    for(int i=1;i<=n;i++)if(v[i]==cand)k++;
    if(k>n/2)fout<<cand<<" "<<k;
    else fout<<'-1';
    return 0;
}