#include <fstream>
using namespace std;
ifstream f("elmaj.in");
ofstream g("elmaj.out");
int n,i,v[1000001],fr,elm;
int main()
{
    f>>n;
    for(i=1; i<=n; i++)
        f>>v[i];
    fr=1;
    elm=v[1];
    for(i=2; i<=n; i++)
        if(v[i]==elm) fr++;
        else
        {
            fr--;
            if(fr<0)
                fr=1,elm=v[i];
        }
    fr=0;
    for(i=1; i<=n; i++)
        if(v[i]==elm)
            fr++;
    if(fr>=n/2+1)
        g<<elm<<" "<<fr;
    else g<<"-1";
    return 0;
}