Taking input and storing in variable and displaying them

input_output.asm

        .model small
        .stack 100h
        .data
        
            input1 db 'Enter Input[1]: $'       ;define variables
            input2 db 'Enter Input[2]: $'
            
            num1 db ?
            num2 db ? 
            
            
            
       .code
            
            main proc
                
               mov ax,@data     ;prepare data segment
               mov ds,ax
               
               mov ah,09h       ;string output
               lea dx,input1    ;load effective address
               int 21h
               
               mov ah,01h       ;input
               int 21h
               mov num1,al      ;mov to varible
                  
                  
               mov ah,02h       ;char output
               mov dl,0Ah       ;newline
               int 21h
               mov dl,0Dh
               int 21h
               
               mov ah,09h       ;string output
               lea dx,input2    ;load effective address
               int 21h
                  
               mov ah,01h       ;input
               int 21h          
               mov num2,al      ;move to variable
               
               mov ah,02h       ;output char
               mov dl,0Ah
               int 21h
               mov dl,0Dh       ;newline
               int 21h
               
               mov dl,'a'
               int 21h
               mov dl,':'
               int 21h
               
               mov dl,num1      ;output num1
               int 21h                       
               
               mov dl,0Ah       ;newline
               int 21h
               mov dl,0Dh       
               int 21h
               
               mov dl,'b'
               int 21h
               mov dl,':'
               int 21h
               
               mov dl,num2      ;mov dl
               int 21h

                                                                                               
               mov ah,4ch
               mov al,00 
              
            main endp
            end main