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