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#include <fstream>
using namespace std;
ifstream fin("elmaj.in");
ofstream fout("elmaj.out");
unsigned int a[100000001],i,v,n,p,pp;
int main()
{
fin>>n;
fin>>a[1];
v=a[1];
p=1;
for(i=2;i<=n;i++)
{
fin>>a[i];
if(a[i]==v)
p++;
else
{
p--;
if(p==0)
{
p=1;
v=a[i];
}
}
}
for(i=1;i<=n;i++)
if(a[i]==v)
pp++;
if(pp>=n/2+1)
fout<<v<<' '<<pp;
else
fout<<"-1";
return 0;
}