#include <fstream>
using namespace std;
int V[1000009],i,n,win,cnt;
ifstream f("date.in");
ofstream g("date.out");
int main()
{
    f>>n>>V[1];
    cnt=1;
    win=V[1];
    for(i=2;i<=n;i++)
    {
        f>>V[i];
        if(cnt==0){
            win=V[i];
            cnt=1;
        }
        else
        {
            if(V[i]!=win) cnt--;
            else cnt++;
        }
    }
    cnt =0;
    for(i=1;i<=n;i++)
        if(V[i]==win)
        cnt++;
    if(cnt>=(n/2)+1)
        g<<win<<" "<<cnt;
    else
        g<<-1;
    f.close();
    g.close();
    return 0;
}