#include <iostream>
#include <fstream>

using namespace std;

ifstream f("elmaj.in");
ofstream g("elmaj.out");

long long i,n,k,maj,v[1000000],ele
;
int main()
{
    f>>n;
    for(i=1;i<=n;i++)
    {
        f>>v[
        i];
        if(k==0)
        {
            k++;
            maj=v[i];
        }
        else if(v[i]==maj)
            k++;
        else
            k--;
    }
    for(i=1;i<=n;i++)
        if(v[i]==maj)
        ele++;
        if(ele>n/2)
    g<<maj<<" "<<ele;
    else
        g<<-1;
    return 0;
}