Write an assembly 8086 program that shall perform the following tasks:

a) The program shall read numbers from an input device (keypad: numbers from 0-9 and letter S) connected at address 26H, the program stops reading when the user inputs 'S',

b) the program shall counts the number of fives inputted by the user,

c) If the number of inputted fives is 5, call a procedure ROTATEUS that rotates a stepper motor 50 times.