type lat=record
     x,y:longint;
     end;

var a:array[1..4096,0..256] of longint;
    b:array[1..65536] of lat;
    f,g:text;
    n,m,i,j,x,y,nr:longint;

begin
 assign(f,'triplete.in'); reset(f);
 assign(g,'triplete.out'); rewrite(g);
 read(f,n,m);
 for i:=1 to m do begin
  read(f,x,y);
  a[x,y shr 4]:=a[x,y shr 4] or (1 shl (y and 15));
  a[y,x shr 4]:=a[y,x shr 4] or (1 shl (x and 15));
  b[i].x:=x; b[i].y:=y;
 end;
 nr:=0;
 for i:=1 to m do
  for j:=0 to n shr 4 do begin
   x:=a[b[i].x,j] and a[b[i].y,j];
   while x<>0 do begin
    nr:=nr+(x and 1);
    x:=x shr 1;
   end;
  end;
 writeln(g,nr div 3);
 close(f); close(g);
end.