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#include<fstream>
using namespace std;
ifstream fin("elmaj.in");
ofstream fout("elmaj.out");
int a[1000009],i,n,nr,k,c;
int main()
{
fin>>n;
for(i=1;i<=n;i++)
{
fin>>a[i];
}
nr=-1;
k=0;
for(i=1;i<=n;i++)
{
if(k==0)
{
nr=a[i];
k++;
}
else
{
if(a[i]==nr)
{
k++;
}
else
{
k--;
}
}
}
c=0;
for(i=1;i<=n;i++)
{
if(a[i]==nr)
{
c++;
}
}
if(c>n/2)
{
fout<<nr<<" "<<c;
}
else
{
fout<<"-1";
}
fin.close();
fout.close();
return 0;
}