#include <fstream>
using namespace std;
ifstream fin("elmaj.in");
ofstream fout("elmaj.out");
int v[1000001],n,i,nrap,rasp,k;
int main()
{
    fin>>n;
    for(i=1;i<=n;i++)
    {
        fin>>v[i];
    }
    k=0;
    for(i=1;i<=n;i++)
    {
        if(k==0)
        {
            rasp=v[i];
            k=1;
        }
        else if(v[i]==rasp)
        {
                k++;
        }
        else{
                k--;
        }
    }
    for(i=1;i<=n;i++)
    {
        if(v[i]==rasp)
            nrap++;
    }
    if(nrap>n/2)
        fout<<rasp<<" "<<nrap;
    else fout<<"-1";


    return 0;
}