#include <iostream>
#include <fstream>
#include <algorithm>
using namespace std;
ifstream f("elmaj.in");
ofstream g("elmaj.out");
long long n,i,v[1000000],l=1,x,nr,vnr,lmx=-1,a;
int main()
{
    f>>n;
    x=n/2+1;
    for(i=1;i<=n;i++)
        f>>v[i];
    sort(v+1,v+n+1);
    vnr=v[1];
    for(i=2;i<=n;i++)
    {
        nr=v[i];
        if(nr==vnr)l++;
        else
        {
            if(l>=x){lmx=l;a=vnr;break;}
            if(i>x)break;
            l=1;
        }
        vnr=nr;
    }
    if(lmx==-1)g<<-1;
    else g<<a<<" "<<lmx;
}