var
    a,b,c:integer;
    th:integer;
begin
read(a);
read(th);
 case a of
   1,3,5,7,8,11,12:c:=31 ;
   4,6,9,10:c:=30 ;
   2:c:=28;
   if th mod 4=0 then
   begin
  c:=29
  else writeln('gak ada');
write(th);
end;

readln;
readln;
end.