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#include <fstream>
#include <iostream>
using namespace std;
ifstream fin("elmaj.in");
ofstream fout("elmaj.out");
int cand, n, v[1000003], i, k, ap;
int main()
{
fin>>n;
for(i=1; i<=n; i++)
{
fin>>v[i];
}
cand=v[1];
k=1;
for(i=2; i<=n; i++)
{
if(v[i]==cand)
k++;
else if(k>0)
{
k--;
}
else
cand=v[i];
}
ap=0;
for(i=1; i<=n; i++)
{
if(v[i]==cand)
ap++;
}
if(ap>n/2)
fout<<cand<<" "<<ap;
else
fout<<-1;
return 0;
}