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Cod sursa(job #116300)
const max=1000000;
var f,g:text;
gaus,x,y,n,poz,i,nrtrue:longint;
a:array[1..max] of boolean;
begin
assign(f,'multimi2.in'); reset(f);
assign(g,'multimi2.out'); rewrite(g);
readln(f,n);
gaus:=(n*(n+1)) div 2;
x:=gaus div 2; {suna unei grupe}
y:=gaus mod 2; {diferenta in modul}
fillchar(a,sizeof(a),false);
poz:=n;
nrtrue:=0;
while (a[x-poz]=false)and(x-poz>0) do begin
x:=x-poz;
a[poz]:=true;
poz:=poz-1;
inc(nrtrue);
end;
if x>0 then begin
inc(nrtrue);
a[x]:=true;
end;
writeln(g,y);
writeln(g,nrtrue);
for i := 1 to n do
if a[i]=true then write(g,i,' ');
writeln(g);
writeln(g,n-nrtrue);
for i := 1 to n do
if a[i]=false then write(g,i,' ');
close(f);
close(g);
end.