Output Using Masm

this is a simple Assembly program. I am trying to output the Emp1 And Num1 in the following format:

Jow Blow

600 763 521

i get the following output:

Jow Blow

x

Also i want to output the total of the three numbers

 .386
  .MODEL FLAT
 
  ExitProcess PROTO NEAR32 stdcall, dwExitCode:DWORD
 Include io.h
 
 .STACK  4096            ; reserve 4096-byte stack
 
 .DATA                   ; reserve storage for data
 
 Emp1        byte    'Jow Blow',13,10,0
 Num1    DWORD   600,763,521 
 
 
 
   .CODE                           ; start of main program code
   _start:
     mov     eax, Num1     ; first number to EAX
     add     eax, 158        ; add 158
     mov     sum, eax        ; sum to memory
 
 
 output  Emp1
 output  Num1
 
 
 
 
 
     INVOKE  ExitProcess, 0  ; exit with return code 0
 
  PUBLIC _start                   ; make entry point public
 
   END                             ; end of source code
 

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