Micro Processors Class-I need help!

Quiz Question for number ending with EVEN (XXXXXXX 0/2/4/6/8) The Number is : 21307368 Write an assembly code to: . read a digit from the keyboard (assume a digit 0-9 is entered), and prints all digits from the entered digit to 0. Stepl. when 5 is pressed Step2. 543210 should be printed Sample output (if 5 is entered): 543210 Sample output (if 8 is entered): 876543210 .DATA .CODE MOV AX, @DATA MOV DS, AX MAIN: MOV AH, 4Ch INT 21h END Note: AH=01h, INT 21h inputs a character from the keyboard. Input character will be in AL (ASCII). AH=02h, INT 21h outputs a character to the monitor. Assumes the character is in DL (ASCII)