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