Why doesn't my Masm615/Win32 code output a result or an error to the console?

Question

i just learn this in a short semester like only 6 week. still confuse about the whole assembly language thing, this code is also used chatgpt to correct some error and this is the final version that the chatgpt gave me. still it have problem and i don't know where is the problem. The command prompt just blank after i run the code.

this is how it looks like when i run the code Output of the code

TITLE AssignmentP2 (Mult.asm)
; This program calculates the value using the following data
; Val1 = 340d
; Val2 = A3Ch
; Val3 = 45h
; FinalVal = -(Val1 – Val3) + 1 + (Val2 * 3) + 1 + 1 – 2 -1– (Val1 / 2)

INCLUDE Irvine32.inc
INCLUDE macros.inc  ; Include macros for WriteDec and Crlf

.data
Val1 dword 340d
Val2 dword 0A3Ch
Val3 dword 45h

.code
main proc
    mov eax, [Val1]  ; Load Val1 into eax
    sub eax, [Val3]  ; Subtract Val3 from eax
    neg eax          ; Negate eax (2's complement)
    inc eax          ; Add 1 to eax
    mov ebx, [Val2]  ; Load Val2 into ebx
    imul ebx, 3      ; Multiply ebx by 3
    add eax, ebx     ; Add ebx to eax
    inc eax          ; Add 1 to eax
    inc eax          ; Add 1 to eax
    sub eax, 2       ; Subtract 2 from eax
    dec eax          ; Subtract 1 from eax

    mov edx, eax     ; Preserve the result in edx
    mov ebx, [Val1]  ; Load Val1 into ebx
    mov ecx, 2       ; Divisor (2)
    div ecx          ; Divide eax by ecx (Val1 / 2)
    mov ecx, eax     ; Store the result (Val1 / 2) in ecx
    mov eax, edx     ; Restore the preserved result into eax

    call WriteDec    ; Call WriteDec to print the result

main endp

end main

the answe i expect in decimal is 12417.

Answer 1

After my last answer (which was not so good) I decided to return to idea from first post. Calculations + output. Prints 7419.

TITLE AssignmentP2 (Mult.asm)
; This program calculates the value using the following data
; Val1 = 340d
; Val2 = A3Ch
; Val3 = 45h
; FinalVal = -(Val1 – Val3) + 1 + (Val2 * 3) + 1 + 1 – 2 -1– (Val1 / 2)
                    
include \masm32\include\Irvine32.inc
includelib \masm32\lib\Irvine32.lib
includelib \masm32\lib\kernel32.lib
includelib \masm32\lib\user32.lib


.data
Val1 dword 340d  
Val2 dword 0A3Ch  ; 2620       
Val3 dword 45h    ; 69             

.code
main proc
    mov eax, [Val1]  ; Load Val1 into eax
  
    sub eax, [Val3]  ; Subtract Val3 from eax
    
    neg eax          ; Negate eax (2's complement)
    
    inc eax          ; Add 1 to eax
    
    mov ebx, [Val2]  ; Load Val2 into ebx
    
    imul ebx, 3      ; Multiply ebx by 3

    add eax, ebx     ; Add ebx to eax

    inc eax          ; Add 1 to eax
    
    inc eax          ; Add 1 to eax

    sub eax, 2       ; Subtract 2 from eax
    
    dec eax          ; Subtract 1 from eax

    mov ebx, [Val1]  ; Load Val1 into ebx

    shr ebx, 1       ; divide value in ebx by 2
   
    sub eax, ebx     ; Substract value in ebx from eax                      

    call WriteDec
    exit
    ret
main endp

end main