var a:array[0..50000] of int64;
x,pi,pf,n,k,i,j,max:longint;
f,g:text;
begin
assign(f,'secv2.in');
assign(g,'secv2.out');
reset(f);
rewrite(g);
read(f,n,k);
for i:=1 to n do begin
	read(f,x);
   a[i]:=a[i-1]+x;
   end;
for i:=1 to n-k+1 do
	for j:=i+k-1 to n do
   	if a[j]-a[i-1]>max then begin
      	max:=a[j]-a[i-1];
         pi:=i;
         pf:=j;
         end;
writeln(g,pi,' ',pf,' ',max);
close(f);
close(g);
end.