var n,k,max,maxi,maxj,i:longint;
    a:array[1..50000]of integer;
    p,s:array[1..50000]of longint;
    f,g:text;

begin
assign(f,'secv2.in');
reset(f);
readln(f,n,k);
read(f,a[1]);
p[1]:=a[1];
s[1]:=1;
max:=-maxint;
maxi:=1;
maxj:=1;
if k=1 then max:=a[1];
for i:=2 to n do begin
   read(f,a[i]);
   if p[i-1]>0 then begin
                    p[i]:=p[i-1]+a[i];
                    s[i]:=s[i-1];
                    end
               else begin
                    p[i]:=a[i];
                    s[i]:=i;
                    end;
   if p[i]>max then if i-s[i]+2>k then begin
                                       max:=p[i];
                                       maxi:=s[i];
                                       maxj:=i;
                                       end;
end;
assign(g,'secv2.out');
rewrite(g);
write(g,maxi,' ',maxj,' ',max);
close(g);
end.