#include <iostream>
#include <fstream>
using namespace std;
ifstream f("elmaj.in");
ofstream g("elmaj.out");
int n,cand=-1,i,k=0,a[1000001];
int main(){
    f>>n;
    for(i=1;i<=n;i++){
    f>>a[i];
    if(k==0) cand=a[i];
    if(cand=a[i])
    k++;
    else
    k--;
    }
    if (cand<0) {g<<-1;f.close();g.close();return 0;}
    k=0;
    for(i=1;i<=n;i++)
    if(a[i]==cand) k++;
    if(k > n/2)
    g<<cand<<' '<<k;
    else
    g<<-1;
    f.close(); g.close();
    return 0;

}