#include <bits/stdc++.h>
#define N 25000
#define M 25000
using namespace std;

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

int a[N],n;

int main()
{
    int cand,vot;
    int i,ct,j;
    cin>>n;

    for (i=1; i<=n; ++i)
        cin>>a[i];


    cand=a[1];vot=1;
    for(i=2;i<=n;i++)
        if(a[i]==cand) vot++;
        else if(vot>0) vot--;
            else {cand=a[i];vot=1;}
    vot=0;
    for (i=1;i<=n;++i)
        if (a[i]==cand) vot++;
    if (vot>n/2) cout <<cand<<" "<<vot;
    else cout<<-1;
    return 0;
    }