#include <bits/stdc++.h> //JuniorMonster a.k.a Sho10
#pragma gcc optimize("O3")
#define ll long long
#define all(a) ().begin(), (a).end()
#define sz size
#define f first
#define s second
#define pb push_back
#define er erase
#define in insert
#define mp make_pair
#define pi pair
#define rc(s) return cout<<s,0
#define mod 1000000007
#define PI 3.14159265359
#define CODE_START  ios_base::sync_with_stdio();cin.tie(0);cout.tie(0);
using namespace std;
FILE*fin=fopen("elmaj.in","r");
FILE*fout=fopen("elmaj.out","w");
int n,x,v[1000005];
map<int,int>m;
int main(){
    fscanf(fin,"%d",&n);
    for(ll i=0;i<n;i++){
           fscanf(fin,"%d",&v[i]);
           x=v[i];
    m[x]++;
    }
    int ans=0;
    for(ll i=0;i<n;i++)
        ans=max(ans,m[v[i]]);
    if(ans<n/2+1){
       fprintf(fout,"-1");
        return 0;
    }
    for(ll i=0;i<n;i++)
    if(m[v[i]]==ans){
        fprintf(fout,"%d %d",v[i],m[v[i]]);
        return 0;
    }
}