#include <iostream>
#include <fstream>
using namespace std;
ifstream in("elmaj.in");
ofstream out("elmaj.out");
int n,i,v[1000001],a[1000001],nr=0,p,c;
int main()
{
    in>>n;
    for(int i=1;i<=n;i++)
       {
           in>>v[i];
           a[v[i]]++;
       }
    for(int c=0;c<=9;c++)
        if(a[c]>=n/2+1)
        {
            nr++;
            p=a[c];
        }
    if(nr==0)
        out<<"-1";
    else
        out<<p<<" "<<a[p];
}