#include <fstream>
using namespace std;
ifstream in("elmaj.in");
ofstream out("elmaj.out");
int v[3000001];
int main()
{
    int nr=1,n,i,c,cnt=0;
    in>>n>>v[1];
    c=v[1];
    for(i=2;i<=n;i++)
    {
     in>>v[i];
     if(v[i]==c)
     nr++;
     else
     nr--;
     if(nr==0)
     {c=v[i];nr=1;}
    }
    for(i=1;i<=n;i++)
    {
     if(v[i]==c)
     cnt++;   
    }
    if(cnt>n/2)
    out<<c<<" "<<cnt;
    else
    out<<-1;
    return 0;
}