.bss

.comm	output, 8

	.text

.globl _start

_start:
	movq	16(%rsp), %rdi
	call	a_to_i
	movq	%rax, %rbx

	movq	24(%rsp), %rdi
	call	a_to_i
	addq	%rbx, %rax

	movq	$output, %rdi
	movq	%rax, %rsi
	callq	i_to_a

	movq	$1, %rax
	movq	$1, %rdi
	movq	$output, %rsi
	movq	$8, %rdx
	syscall

	movq	$60, %rax
	movq	$0, %rdi
	syscall

a_to_i:
	movq	$0, %rax
	movq	$10, %r8
	movq	$8, %rcx
0:
	mulq	%r8
	movb	-1(%rdi,%rcx), %dl
	subq	$'0, %rdx
	addq	%rdx, %rax
	loop	0b

	ret

i_to_a:
	movq	%rsi, %rax
	movq	$10, %r8
	movq	$8, %rcx
0:
	divq	%r8
	addq	$'0, %rdx
	movb	%dl, -1(%rdi,%rcx)
	loop	0b

	ret