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#include <fstream>
using namespace std;
ifstream in("elmaj.in");
ofstream out("elmaj.out");
int v[1000001];
int main()
{
int n,val,i,nr=1;
in>>n;
for(i=1; i<=n; i++)
{
in>>v[i];
}
val=v[1];
for(i=2; i<=n; i++)
{
if(v[i]==val)
nr++;
else
{
nr--;
if(nr==0)
{
val=v[i];
nr=1;
}
}
}
nr=0;
for(i=1; i<=n; i++)
if(v[i]==val)
nr++;
if(nr>n/2)
out<<val<<" "<<nr;
else
out<<"-1";
return 0;
}