<Problem>
http://ntucoder.net/Problem/Details/4402
Uses Crt;
type arr=array[0..1000000] of int64;
Var n,i:longint; kq,da,db,dc:int64;
a,vt:arr;
Procedure Sort(var a:arr; l,r:longint);
var i,j,x,tg:longint;
begin
i:=l; j:=r; x:=a[(l+r) div 2];
repeat
while x>a[i] do inc(i); while x<a[j] do dec(j);
if i<=j then begin
tg:=a[i]; a[i]:=a[j]; a[j]:=tg;
tg:=vt[i]; vt[i]:=vt[j]; vt[j]:=tg;
inc(i); dec(j);
end;
until i>j;
if j>l then sort(a,l,j); if i<r then sort(a,i,r);
end;
Begin
readln(n);
for i:=1 to n do begin read(a[i]); vt[i]:=1; end;
for i:=n+1 to 2*n do begin read(a[i]); vt[i]:=2; end;
for i:=n*2+1 to 3*n do begin read(a[i]); vt[i]:=3; end;
n:=n*3; sort(a,1,n);
for i:=1 to n do
if a[i]=a[i+1] then
begin
if vt[i]=1 then inc(da);
if vt[i]=2 then inc(db);
if vt[i]=3 then inc(dc);
end
else
begin
if vt[i]=1 then inc(da);
if vt[i]=2 then inc(db);
if vt[i]=3 then inc(dc);
kq:=kq+da*db*dc;
da:=0; db:=0; dc:=0;
end;
writeln(kq);
readln;
End.