#include<fstream>
using namespace std;
ifstream cin("elmaj.in");
ofstream cout("elmaj.out");
unsigned long long n, a[1000001],b[1000001],  majoritar, sol, i;
bool adevarat;
int main()
{
    long long max=0;
    cin>>n;
    for(i=1;i<=n;i++)
     { cin>>a[i];
       b[a[i]]++;
       if(a[i]>max)
          max=a[i];
         }
 //   majoritar=n/2+1;
    for(i=1;i<=max;i++)
        if(b[i]>=majoritar)
           {sol=b[i];
            majoritar=i;}
    if (sol>=n/2+1) cout<<majoritar<<" "<<sol;
    else cout<<"-1";
    return 0;
}