#include <fstream>

using namespace std;
ifstream in("elmaj.in");
ofstream out("elmaj.out");
long long n,i,v[1000000],ap,cand;
int main()
{
    in>>n;
    for(i=1;i<=n;i++)
        in>>v[i];
    cand=v[1];
    ap=1;
    for(i=2;i<=n;i++)
    {
        if(v[i]==cand) ap++;
        else ap--;
        if(ap=0)
        {
            cand=v[i];
            ap=1;
        }
    }
    ap=0;
    for(i=1;i<=n;i++)
       if(v[i]==cand) ap++;
    if(ap>=n/2+1) out<<cand<<" "<<ap;
    else out<<-1;
    return 0;
}