var a,b,c,s,i,r,x,y:longint;   f,g:text;
begin
assign(f,'sumdiv.in'); reset(f);
assign(g,'sumdiv.out'); rewrite(g);
read(f,a,b);
c:= a shl (b-1);
for i:=1 to c do
 if c mod i=0 then
 s:=s+i;
r:=s mod 9901;
writeln(g,r);
close(f); close(g);
end.