recently wild Krakozyabra appear Jelly Castle it truth say eager dinnerits favorite meal natural number typically serve honey sauce precise zero correspond decimal representation as digit Krakozyabra dislikes cause indigestion so necessary precaution Krakozyabra prefer sort digits number nondescending order proceed feast then lead zero result number eat remain discard inedible tailfor example Krakozyabra number 57040 dinner inedible tail number 457slastyona fond idea Krakozyabra live castle Hovewer natural hospitality prevent leave guest food Slastyona range natural number L R go feed guest help determine distinct inedible tail going discard Krakozyabra end dinner