how to solve this?

Write a Basic Computer assembly program to multiply two positive integer numbers by a repeated addition method.

For example, to multiply $54,$ the program evaluates the product by adding $5$ four times, or $5+5+5+5.$

Selected Answer:

LDA X

CMA

INC

STA X

CLA

LOP, ADD Y

ISZ X

BUN LOP

STA RES

HLT

$x,$ HEX $4$

Y$,$ HEX $5$

RES, $-$

LDA X

CMA

INC

STA X

CLA