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#include <iostream>
#include <fstream>
#include <vector>
#include <algorithm>
#include <unordered_map>
using namespace std;
ifstream fin("elmaj.in");
ofstream fout("elmaj.out");
int n, elMaj;
int main()
{
unordered_map<int, int> nrAp;
fin >> n;
for(int i = 0; i < n; i++)
{
int x; fin >> x;
++nrAp[x];
if(nrAp[x] > n / 2)
elMaj = x;
}
if(elMaj != 0)
fout << elMaj << ' ' << nrAp[elMaj];
else
fout << -1;
}