#include <bits/stdc++.h>
using namespace std;

ifstream fin("elmaj.in");
ofstream fout("elmaj.out");

int cand=-1, k, x, v[1000005], n;
int main(){
    fin>>n;
    for(int i=1;i<=n;i++){
        fin>>v[i];
        if(v[i]==cand) k++;
        else{
            if(k==0){
                cand=v[i];
                k=1;
            }
            else k--;
        }
    }
    k=0;
    for(int i=1;i<=n;i++){
        if(v[i]==cand)k++;
    }
    if(k>n/2)
        fout<<cand<<' '<<k;

    else
        fout<<-1;
    return 0;
}