#include <bits/stdc++.h>
#define pb push_back

using namespace std;

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

void debug_out() { cerr << '\n'; }
template <typename Head, typename... Tail> void debug_out(Head H, Tail... T) { cerr << " " << H; debug_out(T...);}
#define dbg(...) cerr << #__VA_ARGS__ << " ->", debug_out(__VA_ARGS__)
#define dbg_v(x, n) do{cerr<<#x"[]: ";for(int _=0;_<n;++_)cerr<<x[_]<<" ";cerr<<'\n';}while(0)
#define dbg_ok cerr<<"OK!\n"

typedef pair<int,int> pii;
typedef long long int ll;
typedef long double ld;

const int DMAX = 1e6+10;

int n;
int V[DMAX];

int main(){
    ios_base::sync_with_stdio(false);
    cin.tie(0);

    int t,i,j;
    int cate=0,cand;

    fin>>n;
    for(i=1;i<=n;i++)
        fin>>V[i];
    for(i=1;i<=n;i++)
        if(cate == 0){
            cand=V[i];
            cate=1;
        }
        else if(cand == V[i])
            cate++;
        else
            cate--;
    cate=0;
    for(i=1;i<=n;i++)
        if(V[i] == cand)
            cate++;
    if(cate*2 > n)
        fout<<cand<<' '<<cate<<'\n';
    else
        fout<<"-1\n";
    return 0;
}