section .data 
 m1 db "Aditya Kelkar",10 ; 
 l1 equ $-m1  
 m2 db "Roll no:54 ",10  
 l2 equ $-m2  
 m3 db "Panel E ",10  
 l3 equ $-m3  
  
section .bss 
 string resb 50 ;string array of size 50 
 strl equ $-string  
 count resb 1 
 _output resb 20 
%macro IO 4 ; simple macro , 
mov rax,%1 ; system call number  
mov rdi,%2 ; file descriptor  
mov rsi,%3 ;message  
mov rdx,%4 ; length  
syscall 
%endmacro  
section .text 
 global _start 
_start: 
  
 IO 1,1,m1,l1 ; display 
input: 
 IO 0,0,string,strl 
 mov [count],rax ;count now points to rax  output: 
 IO 1,1,m2,l2 ; display 
 IO 1,1,string,strl 
 IO 1,1,m3,l3 ; display  
 mov rax,[count] ; value of count passed into rax   call hex_to_dec 
 IO 1,1,_output,16 
  
 exit: 
  
 mov rax, 60 ; system call for exit 
 mov rdi, 0 ; exit code 0 
 syscall 
  
hex_to_dec: 
 mov rsi,_output+15 ; max size of display   mov rcx,2 ;  
 letter2: