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#include <iostream>
#include <fstream>
#include <vector>
#define cout fout
using namespace std;
ifstream fin ("elmaj.in");
ofstream fout ("elmaj.out");
vector<int> v;
int n, x, maj, ap, i;
int main()
{
fin >> n;
for(i=0; i<n; i++)
{
fin >> x;
v.push_back(x);
}
maj = v[0];
ap = 1;
for(i=1; i<n; i++)
{
if(v[i] == maj)
ap++;
else ap--;
if(ap < 0)
{
ap = 1;
maj = v[i];
}
}
ap = 0;
for(i=0; i<n && ap <n/2+1; i++)
if(v[i] == maj)
ap++;
if(ap >= n/2+1)
cout << maj << ' ' << ap;
else cout << "-1";
return 0;
}