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#include <fstream>
using namespace std;
ifstream in("elmaj.in");
ofstream out("elmaj.out");
int i,n,v[1000010],ap,nra,nrv,o;
int main()
{
in>>n;
for(i=1;i<=n;++i)
in>>v[i];
ap=1;
nra=v[1];
for(i=2;i<=n;++i)
{
if(v[i]==nra)
ap++;
else if(o==0)
{
o=1;
nrv=v[i];
}
}
if(ap>n/2)
{
out<<nra<<' '<<ap;
return 0;
}
if(ap==n/2)
{
out<<-1;
return 0;
}
ap=1;
nra=nrv;
for(i=2;i<=n;++i)
{
if(v[i]==nra)
ap++;
else if(o==0)
{
o=1;
nrv=v[i];
}
}
if(ap>n/2)
{
out<<nra<<' '<<ap;
return 0;
}
out<<-1;
return 0;
}