#include<fstream>
using namespace std;
#define dim 1000001
typedef unsigned long int element;
typedef unsigned int item;
element v[dim]; item n;
int main()
{
    ifstream f("elmaj.in");
    ofstream g("elmaj.out");
    item i; long int k=1,cand;
    f>>n;
    for(i=1;i<=n;i++) f>>v[i];
    f.close();
    cand=v[1];
    for(i=2;i<=n;i++)
    {
        if(cand==v[i]) k++;
        else k--;
        if(k<0) {cand=v[i];k=1;}
    }
    item ap=0;
    for(i=1;i<=n;i++)
    if(cand==v[i]) ap++;
    if(ap>=n/2+1) g<<cand<<' '<<ap<<'\n';
    else g<<-1<<'\n';
    g.close();
    return 0;
}