Assembly language visual studio simple program help

Hi I'm new to assembly and I'm having trouble getting this simple program to run, I got through the syntax but can't seem to get an output.My assignment was to declare two arrays, add 2 to each element in the two arrays, then use the xchg function to swap the elements in reverse order, for example swap the 1st element of array 1 with last element of array 2 and continue.

; Example assembly language program -- adds two numbers
; Author:  R. Detmer
; Date:    1/2008

.586
.MODEL FLAT

INCLUDE io.h            ; header file for input/output

.STACK 4096

.DATA
numb        DWORD   ?
date        DWORD   ?
prompt1     BYTE    "Array element is", 0
array1      DWORD   21H,22H,23H,24H,25H
array2      DWORD   31H,32H,33H,34H,35H
number1     BYTE    11 DUP (?), 0

.CODE
_MainProc PROC
	mov     esi, 0	
	mov     ebx, 5
forA:    
	add     array1[esi],2
	add     esi, 4		
	loop    forA
		
	mov     ecx,0
	mov     ebx,5
forB:	
	sub     array2[ecx],2
	add     ecx,4	
	loop    forB
	
	mov     esi,0
	mov     ecx,16	
	mov     ebx, 5
loopone:
	mov     eax,array1[esi]
	xchg    array2[ecx],eax
	mov     array1[esi],eax
	add     esi,4
	sub     ecx,4	
	loop    loopone

endFor:
	mov     esi,0	
	mov     ebx, 5
forD:
	mov     eax, array1[esi]
	dtoa    number1, eax
	output  prompt1, number1
	add     esi,4	
	loop    forD
    ret
_MainProc ENDP
END                             ; end of source code