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format ELF64
extrn printf
extrn puts
extrn scanf
public main
section '.text' executable
main:
push rbp
mov rbp,rsp
mov edi,prompt
call puts
sub rsp,16
mov rsi,rsp
mov edi,readint
xor eax,eax
call scanf
mov rax,[rsp]
add rsp,16
mov rdx,rax
and rdx,1
sub rax,rdx
mov rsi,rax
mov edi,msg
xor eax,eax
call printf
leave
ret
section '.data' writable align 16
msg db "Next even integer is %ld",0xA,0
prompt db "Enter an odd integer.",0
readint db "%ld",0
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