[system call]

section .data
    userMsg db 'Please enter a number: '
    lenUserMsg equ $-userMsg
    dispMsg db 'You have entered: '
    lenDispMsg equ $-dispMsg

section .bss
    num resb 5

section .text
    global _start
_start:
    ; User prompt
    mov eax, 4
    mov ebx, 1
    mov ecx, userMsg
    mov edx, lenUserMsg
    int 80h

    ; Read and store the user input
    mov eax, 3      ; system call (sys_read)
    mov ebx, 2
    mov ecx, num
    mov edx, 5
    int 80h

    ; Output the message
    mov eax, 4      ; system call number (sys_write)
    mov ebx, 1
    mov ecx, dispMsg
    mov edx, lenDispMsg
    int 80h

    ; Output the number entered
    mov eax, 4
    mov ebx, 1
    mov ecx, num
    mov edx, 5
    int 0x80

    ; Exit code
    mov eax, 1      ; system call number (sys_exit)
    mov ebx, 0
    int 80h