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#include <iostream>
#include <fstream>
using namespace std;
int main()
{
ifstream in("elmaj.in");
ofstream out("elmaj.out");
int i,n,nr=1,nr1=0,x,a[1000002];
in>>n;
for(i=1; i<=n; i++)
in>>a[i];
x=a[1];
for(i=2; i<=n; i++)
{
if(a[i]==x)
nr++;
else
nr--;
if(nr<=0)
x=a[i];
}
for(i=1; i<=n; i++)
if(a[i]==x)
nr1++;
if(nr1>n/2)
cout<<x<<" "<<nr1;
else
cout<<-1;
return 0;
}