#include <iostream>
#include <fstream>
using namespace std;
int v[1000005],n,i,k,j,a,z=0;
int main()
{
    ifstream f("elmaj.in");
    ofstream g("elmaj.out");
    f>>n;
    for (i=1;i<=n;i++) f>>v[i];
    for (i=1;i<=n;i++)
    {
    k=0;
    for (j=1;j<=n;j++)
         if (v[i]==v[j]) k++;
    if (k>z) {z=k;a=v[i];}
    }
    if (z>=n/2+1) g<<a<<" "<<z;
    else g<<-1;
    return 0;
}