#include<iostream.h>
#include<fstream.h>
ifstream f("nrtri.in");
ofstream g("nrtri.out");

int main()
{
     int n,i,v[100],a,b,c,nr=0,j,aux,x ;  
    f >> n;    
for (i=1; i<=n; i++)
    f >> v[i];
    

   for (i=1; i<=n-1; i++)
   for (j=i+1; j<=n; j++)
      if (v[i]>v[j])
      {
        aux=v[i];
       v[i]=v[j];
		v[j]=aux;
      }
	  for (i=1; i<=n; i++)
		  cout<<v[i]<<" ";
	  
	  for(i=1; i<=n-1; i++)
	  for (j=i+1; j<=n-2; j++)
		  for (x=j+1; x<=n; x++)
		  {
			a=v[i];
			b=v[j];
			c=v[x];
			if (a+b>c && c+b>a && a+c>b)
				nr++;
		  }
		  g << nr;
		  g.close();
}