program naspanaspa;
var v:array[1..1000000]of int64;
    i,j,k:integer;
    n,aux,c,d:int64;
    f,g:text;
begin
assign(f,'pascal.in');reset(f);
assign(g,'pascal.out');rewrite(g);
readln(f,n,d);
v[1]:=1;k:=1;
for i:=2 to n do begin
    if i mod 2=0 then begin
        inc(k);
        for j:=k downto 2 do v[j]:=v[j]+v[j-1];
        v[1]:=2*v[1];
        end
    else begin
        aux:=v[2];
        for j:=1 to k do v[j]:=v[j]+v[j+1];
        end;
end;
c:=0;
for i:=1 to k do if v[i]mod d=0 then c:=c+1;
writeln(g,2*(c-1)+1);
close(g);
end.