Here is my code. The error always says that relative jump out of range by 001Ch and 001Bh bytes.

.model small
.stack 1000h

.data
    prompt db "Welcome to the Main Menu", 13, 10, "1. Adding 2 numbers", 13, 10, "2. Odd and Even", 13, 10, "3. Positive and Negative", 13, 10, "4. Exit", 13, 10,"Enter your choice: $"
    invalid db "Invalid choice. Please try again.$"
    newline db 13, 10, "$"
    msg1 DB 10,13,'Enter the first digit: $'
    msg2 DB 10,13,'Enter the second digit: $'
    msg3 DB 10,13,'The sum is: $'
    msg4 DB 10,13,'Enter first number: $'
    msg5 DB 10,13,'Enter second number: $'
    msg6 DB 10,13,'The results are: $'
    even_msg db ' is even.$'
    odd_msg db ' is odd.$'
    x DB ?
    y DB ?
    sum DB ?

.code
start:
    ; Initialize data segment
    mov ax, @data
    mov ds, ax

display_menu:
    ; Display welcome message and menu
    mov ah, 09h
    lea dx, newline
    int 21h
    mov ah, 09h
    lea dx, prompt
    int 21h

read_choice:
    ; Read user input
    mov ah, 01h
    int 21h
    sub al, '0'  ; Convert ASCII digit to numeric value

    ; Check user's choice
    cmp al, 1
    je option1_selected
    cmp al, 2
    je option2_selected
    cmp al, 3
    je option3_selected
    cmp al, 4
    je exit_program
    
    jmp invalid_choice

option1_selected:
    ; Display message to enter first digit
    mov ah, 09h
    lea dx, msg1
    int 21h
    
    ; Read first digit
    mov ah, 01h
    int 21h
    sub al, '0'
    mov x, al
    
    ; Display message to enter second digit
    mov ah, 09h
    lea dx, msg2
    int 21h
    
    ; Read second digit
    mov ah, 01h
    int 21h
    sub al, '0'
    mov y, al
    
    ; Calculate sum
    mov al, x
    add al, y
    mov sum, al
    
    ; Display sum
    mov ah, 09h
    lea dx, msg3
    int 21h
    
    ; Display sum value
    mov dl, sum
    add dl, '0'
    mov ah, 02h
    int 21h
    jmp short display_menu  ; Return to main menu

option2_selected:
    ; Display prompts for the numbers
    mov ah, 9
    lea dx, msg4
    int 21h

    ; Read the first number
    mov ah, 1
    int 21h
    mov bl, al ; Store the first number

    ; Display prompts for the numbers
    mov ah, 9
    lea dx, msg5
    int 21h

    ; Read the second number
    mov ah, 1
    int 21h
    mov cl, al ; Store the second number

    ; Display result message
    mov ah, 9
    lea dx, msg6
    int 21h

    ; Display the first number
    mov ah, 2
    mov dl, bl
    int 21h

    ; Display whether the first number is even or odd
    mov ah, 9
    mov al, bl
    test al, 1
    jz first_even
    lea dx, odd_msg
    int 21h
    jmp second_check
first_even:
    lea dx, even_msg
    int 21h

    ; Display the second number
second_check:
    mov ah, 2
    mov dl, cl
    int 21h

    ; Display whether the second number is even or odd
    mov ah, 9
    mov al, cl
    test al, 1
    jz second_even
    lea dx, odd_msg
    int 21h

second_even:
    lea dx, even_msg
    int 21h
    jmp short display_menu  ; Return to main menu
jmp display_menu