Design symbol table and memory and map for this code

$.$data

a$1$ dd $4$

a$2$ dd $?$

a$3$ dd $5$dup$(7)$

$.$code

main:

mov ecx, $20$

mov eax, $15$

mov edx, $0$

jz target$\_$label

loop$1$:

add edx, eax

imul DWord PTR $[$ebp $+8]$

dec ecx

jg loop$1$

target$\_$label:

hit