#include <iostream>
#include <fstream>
#include <vector>
using namespace std;
ifstream in("elmaj.in");
ofstream out("elmaj.out");
const int N=1000001;
int a[N],n;
void elm()
{
    int cand=-1, i,nr,k=0;
    for(i=1; i<=n; i++)
    {
        if(k==0)
        {
            cand=a[i];
            k=1;
        }
        else if(a[i]==cand)k++;
        else k--;
    }
    if(cand<0) out<<cand<<"(";
    nr=0;
    for(int j=1; j<=n; j++)
       if(a[j]==cand)nr++;
    if(nr>n/2)out<<cand<<" "<<nr;
    else out<<-1;
}

int main()
{
    in>>n;
    for(int i=1; i<=n; i++)
        in>>a[i];
    elm();
   in.close();
   out.close();

    return 0;
}