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#include <fstream>
using namespace std;
ifstream in("elmaj.in");
ofstream out("elmaj.out");
int i, candidat, nr=1, v[1000005], n;
int main()
{
in>>n>>v[0];
candidat=v[0];
for(i=1;i<n;i++)
{
in>>v[i];
if(v[i]==candidat)
nr++;
else
nr--;
if(nr==0)
{
candidat=v[i];
nr=1;
}
}
nr=0;
for(i=0;i<n;i++)
{
if(v[i]==candidat)
nr++;
}
if(nr>=n/2+1)
out<<candidat<<' '<<nr;
else
out<<"-1";
return 0;
}