var k,g:text;
    s,j,i,p,r,a,b:longint;
begin
assign(k,'sumdiv.in');
reset(k);
assign(g,'sumdiv.out');
rewrite(g);
read(k,a);
read(k,b);s:=1;
for i:=1 to b do begin
p:=1;
for j:=1 to i do
       p:=p*a;
s:=s+p;
end;
write(g,s mod 9901);
close(k);
close(g);
end.