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#include <fstream>
using namespace std;
ifstream fin("elmaj.in");
ofstream fout("elmaj.out");
int n,nr,sansa,a[100002],i,ap;
int main()
{
fin>>n;
for(i=1;i<=n;i++)
fin>>a[i];
nr=a[1];
sansa=1;
for(i=1;i<=n;i++)
{
if(a[i]==nr)
sansa++;
else
sansa--;
if(sansa<0)
{
sansa=1;
nr=a[i];
}
}
for(i=1;i<=n;i++)
if(a[i]==nr)
ap++;
if(ap>n/2)
fout<<nr<<" "<<ap;
else
fout<<-1;
return 0;
}