#include <iostream>
#include <fstream>
using namespace std;
ifstream fin("elmaj.in");
ofstream fout("elmaj.out");
int v[1000000];
int main()
{
    int k=1,n,i,cand;
    fin>>n;
    for (i=0;i<n;i++)
        fin>>v[i];
    cand=v[0];
    for (i=1; i<n; i++)
    {
        if (k==0)
        {
            cand=v[i];
            k=1;
        }
        else
        {
            if (cand==v[i])
                k++;
            else
                k--;
        }
    }
    if (cand<0)
        fout<<"-1";
    else
    {
        unsigned int nr=0;
        for (i=0; i<n; i++)
        {
            if (v[i]==cand)
                nr++;
        }
        if (nr>n/2)
            fout<<cand<<" "<<nr;
        else
            fout<<"-1";
    }
}