program nrtri;
type
tabel=array [0..801] of integer;
var
t:tabel;
n,i,j,k,l,nr:longint;
f1,f2:text;
begin
assign (f1,'nrtri.in');
assign (f2,'nrtri.out');
reset (f1);
rewrite (f2);
readln (f1,n);
for i:=1 to n do read (f1,t[i]);
for k:=1 to n do
for i:=k+1 to n do
for j:=i+1 to n do
if (t[i]<t[j]) and (t[k]<t[j]) then nr:=nr+1;
writeln (f2,nr);
close (f1);
close (f2);
end.