JMP	BEGIN
a	dw	65532
b	dw	65529
c	db	255
d	db	254
RES	dw	0

BEGIN:
	mov ax, a
	cmp ax,	65532
	je t
	cmp ax, 65525
	je t1
	cmp ax, -20
	je t2
	cmp ax, 200
	je t3
	mov al, d
	cbw
	imul a
	cmp ax, 0
	jl m1
	jmp m2

m1:
	mov ax, a
	cwd
	idiv b
	mov bx, ax
	mov al, c
	cbw
	add bx, ax
	mov al, d
	cbw
	imul a
	sub bx, ax
	mov ax, bx
	jmp FIN
m2:
	mov al, d
	cbw
	mov bx, ax
	mov ax, a
	cbw
	idiv bx
	mov bx, ax
	mov al, c
	cbw
	add bx, ax
	mov ax, bx
	imul b
	mov bx, ax
	mov ax, b
	sub ax, bx
	jmp FIN
t:
	mov ax, 0
	jmp FIN
t1:
	mov ax, 65512
	jmp FIN
t2:
	mov ax, -4000
	jmp FIN
t3:
	mov ax, -2190
FIN:
	mov RES, ax
	JMP FIN; $

unsigned __in __bits(8) a;
unsigned __in __bits(8) b;
unsigned __in __bits(8) c;
unsigned __in __bits(8) d;

unsigned __out __bits(8) Q;

void main() {
	if (a * b == 6) {
		Q = a + b + c + d;
	} else if (a * b > 6) {
		Q = a + b;
	} else if (a * b < 6) {
		if (a == 0) {
			Q = 13;
		}
		if (a == 5)
			Q = 18;
	}

}