#include <bits/stdc++.h>
using namespace std;
ifstream fin("elmaj.in");
ofstream fout("elmaj.out");
stack<int> S;
int n;
int* a;
int main()
{
    fin>>n;
    a = new int [n];
    for(int i=0;i<n;i+=1){
        fin>>a[i];
        while(S.size()&&S.top()!=a[i])
            S.pop();
        S.push(a[i]);
    }
    int elmaj=S.top();
    int cnt=0;
    for(int i=0;i<n;i+=1){
        if(a[i]==elmaj)
            cnt+=1;
    }
    if(cnt>=(n/2+1))
        fout<<elmaj<<' '<<cnt;
    else
        fout<<-1;
    fin.close();
    fout.close();
    return 0;
}