Given the following C code and unoptimized assembly code, your task is to generate highly optimized x86-64 assembly code.
C Code:

```c
#include <stdio.h>
int main() {
  int H, W;
  scanf("%d %d", &H, &W);
  while (H--) {
    char str[W];
    scanf("%s", &str);
    printf("%s\n%s\n", str, str);
  }
  return 0;
}```

Unoptimized Assembly Code:

```assembly
	.file	"temp.c"
	.text
	.section	.rodata
.LC0:
	.string	"%d %d"
.LC1:
	.string	"%s"
.LC2:
	.string	"%s\n%s\n"
	.text
	.globl	main
	.type	main, @function
main:
.LFB0:
	.cfi_startproc
	endbr64
	pushq	%rbp
	.cfi_def_cfa_offset 16
	.cfi_offset 6, -16
	movq	%rsp, %rbp
	.cfi_def_cfa_register 6
	pushq	%r15
	pushq	%r14
	pushq	%r13
	pushq	%r12
	pushq	%rbx
	subq	$40, %rsp
	.cfi_offset 15, -24
	.cfi_offset 14, -32
	.cfi_offset 13, -40
	.cfi_offset 12, -48
	.cfi_offset 3, -56
	movq	%fs:40, %rax
	movq	%rax, -56(%rbp)
	xorl	%eax, %eax
	leaq	-76(%rbp), %rdx
	leaq	-80(%rbp), %rax
	movq	%rax, %rsi
	leaq	.LC0(%rip), %rax
	movq	%rax, %rdi
	movl	$0, %eax
	call	__isoc99_scanf@PLT
	jmp	.L2
.L6:
	movq	%rsp, %rax
	movq	%rax, %rbx
	movl	-76(%rbp), %eax
	movslq	%eax, %rdx
	subq	$1, %rdx
	movq	%rdx, -72(%rbp)
	movslq	%eax, %rdx
	movq	%rdx, %r12
	movl	$0, %r13d
	movslq	%eax, %rdx
	movq	%rdx, %r14
	movl	$0, %r15d
	cltq
	movl	$16, %edx
	subq	$1, %rdx
	addq	%rdx, %rax
	movl	$16, %esi
	movl	$0, %edx
	divq	%rsi
	imulq	$16, %rax, %rax
	movq	%rax, %rcx
	andq	$-4096, %rcx
	movq	%rsp, %rdx
	subq	%rcx, %rdx
.L3:
	cmpq	%rdx, %rsp
	je	.L4
	subq	$4096, %rsp
	orq	$0, 4088(%rsp)
	jmp	.L3
.L4:
	movq	%rax, %rdx
	andl	$4095, %edx
	subq	%rdx, %rsp
	movq	%rax, %rdx
	andl	$4095, %edx
	testq	%rdx, %rdx
	je	.L5
	andl	$4095, %eax
	subq	$8, %rax
	addq	%rsp, %rax
	orq	$0, (%rax)
.L5:
	movq	%rsp, %rax
	addq	$0, %rax
	movq	%rax, -64(%rbp)
	movq	-64(%rbp), %rax
	movq	%rax, %rsi
	leaq	.LC1(%rip), %rax
	movq	%rax, %rdi
	movl	$0, %eax
	call	__isoc99_scanf@PLT
	movq	-64(%rbp), %rdx
	movq	-64(%rbp), %rax
	movq	%rax, %rsi
	leaq	.LC2(%rip), %rax
	movq	%rax, %rdi
	movl	$0, %eax
	call	printf@PLT
	movq	%rbx, %rsp
.L2:
	movl	-80(%rbp), %eax
	leal	-1(%rax), %edx
	movl	%edx, -80(%rbp)
	testl	%eax, %eax
	jne	.L6
	movl	$0, %eax
	movq	-56(%rbp), %rdx
	subq	%fs:40, %rdx
	je	.L8
	call	__stack_chk_fail@PLT
.L8:
	leaq	-40(%rbp), %rsp
	popq	%rbx
	popq	%r12
	popq	%r13
	popq	%r14
	popq	%r15
	popq	%rbp
	.cfi_def_cfa 7, 8
	ret
	.cfi_endproc
.LFE0:
	.size	main, .-main
	.ident	"GCC: (Ubuntu 11.4.0-1ubuntu1~22.04) 11.4.0"
	.section	.note.GNU-stack,"",@progbits
	.section	.note.gnu.property,"a"
	.align 8
	.long	1f - 0f
	.long	4f - 1f
	.long	5
0:
	.string	"GNU"
1:
	.align 8
	.long	0xc0000002
	.long	3f - 2f
2:
	.long	0x3
3:
	.align 8
4:
```

Only output the optimized assembly code. Do not include any other text. Do not write any comments in the assembly code. Wrap the assembly code in ```assembly``` tags.
user
	.file	"temp.c"
	.text
	.section	.rodata.str1.1,"aMS",@progbits,1
.LC0:
	.string	"%d %d"
.LC1:
	.string	"%s"
.LC2:
	.string	"%s\n%s\n"
	.section	.text.startup,"ax",@progbits
	.p2align 4
	.globl	main
	.type	main, @function
main:
.LFB23:
	.cfi_startproc
	endbr64
	pushq	%rbp
	.cfi_def_cfa_offset 16
	.cfi_offset 6, -16
	leaq	.LC0(%rip), %rdi
	movq	%rsp, %rbp
	.cfi_def_cfa_register 6
	pushq	%r13
	pushq	%r12
	leaq	-44(%rbp), %rdx
	leaq	-48(%rbp), %rsi
	pushq	%rbx
	subq	$24, %rsp
	.cfi_offset 13, -24
	.cfi_offset 12, -32
	.cfi_offset 3, -40
	movq	%fs:40, %rax
	movq	%rax, -40(%rbp)
	xorl	%eax, %eax
	call	__isoc99_scanf@PLT
	movl	-48(%rbp), %eax
	leal	-1(%rax), %edx
	movl	%edx, -48(%rbp)
	testl	%eax, %eax
	je	.L2
	leaq	.LC1(%rip), %r13
	leaq	.LC2(%rip), %rbx
.L6:
	movslq	-44(%rbp), %rax
	movq	%rsp, %rcx
	movq	%rsp, %r12
	addq	$15, %rax
	movq	%rax, %rdx
	andq	$-4096, %rax
	subq	%rax, %rcx
	andq	$-16, %rdx
	cmpq	%rcx, %rsp
	je	.L4
.L17:
	subq	$4096, %rsp
	orq	$0, 4088(%rsp)
	cmpq	%rcx, %rsp
	jne	.L17
.L4:
	andl	$4095, %edx
	subq	%rdx, %rsp
	testq	%rdx, %rdx
	je	.L5
	orq	$0, -8(%rsp,%rdx)
.L5:
	movq	%rsp, %rsi
	movq	%r13, %rdi
	xorl	%eax, %eax
	call	__isoc99_scanf@PLT
	movq	%rsp, %rdx
	movq	%rsp, %rcx
	movq	%rbx, %rsi
	movl	$1, %edi
	xorl	%eax, %eax
	call	__printf_chk@PLT
	movl	-48(%rbp), %eax
	movq	%r12, %rsp
	leal	-1(%rax), %edx
	movl	%edx, -48(%rbp)
	testl	%eax, %eax
	jne	.L6
.L2:
	movq	-40(%rbp), %rax
	subq	%fs:40, %rax
	jne	.L18
	leaq	-24(%rbp), %rsp
	xorl	%eax, %eax
	popq	%rbx
	popq	%r12
	popq	%r13
	popq	%rbp
	.cfi_remember_state
	.cfi_def_cfa 7, 8
	ret
.L18:
	.cfi_restore_state
	call	__stack_chk_fail@PLT
	.cfi_endproc
.LFE23:
	.size	main, .-main
	.ident	"GCC: (Ubuntu 11.4.0-1ubuntu1~22.04) 11.4.0"
	.section	.note.GNU-stack,"",@progbits
	.section	.note.gnu.property,"a"
	.align 8
	.long	1f - 0f
	.long	4f - 1f
	.long	5
0:
	.string	"GNU"
1:
	.align 8
	.long	0xc0000002
	.long	3f - 2f
2:
	.long	0x3
3:
	.align 8
4:

rule
	.file	"temp.c"
	.text
	.section	.rodata.str1.1,"aMS",@progbits,1
.LC0:
	.string	"%d %d"
.LC1:
	.string	"%s"
.LC2:
	.string	"%s\n%s\n"
	.section	.text.startup,"ax",@progbits
	.p2align 4
	.globl	main
	.type	main, @function
main:
.LFB23:
	.cfi_startproc
	endbr64
	pushq	%rbp
	.cfi_def_cfa_offset 16
	.cfi_offset 6, -16
	leaq	.LC0(%rip), %rdi
	movq	%rsp, %rbp
	.cfi_def_cfa_register 6
	pushq	%r13
	pushq	%r12
	leaq	-44(%rbp), %rdx
	leaq	-48(%rbp), %rsi
	pushq	%rbx
	subq	$24, %rsp
	.cfi_offset 13, -24
	.cfi_offset 12, -32
	.cfi_offset 3, -40
	movq	%fs:40, %rax
	movq	%rax, -40(%rbp)
	xorl	%eax, %eax
	call	__isoc99_scanf@PLT
	movl	-48(%rbp), %eax
	leal	-1(%rax), %edx
	movl	%edx, -48(%rbp)
	testl	%eax, %eax
	je	.L2
	leaq	.LC1(%rip), %r13
	leaq	.LC2(%rip), %rbx
.L6:
	movslq	-44(%rbp), %rax
	movq	%rsp, %rcx
	movq	%rsp, %r12
	addq	$15, %rax
	movq	%rax, %rdx
	andq	$-4096, %rax
	subq	%rax, %rcx
	andq	$-16, %rdx
	cmpq	%rcx, %rsp
	je	.L4
.L17:
	subq	$4096, %rsp
	orq	$0, 4088(%rsp)
	cmpq	%rcx, %rsp
	jne	.L17
.L4:
	andl	$4095, %edx
	subq	%rdx, %rsp
	testq	%rdx, %rdx
	je	.L5
	orq	$0, -8(%rsp,%rdx)
.L5:
	movq	%rsp, %rsi
	movq	%r13, %rdi
	xorl	%eax, %eax
	call	__isoc99_scanf@PLT
	movq	%rsp, %rdx
	movq	%rsp, %rcx
	movq	%rbx, %rsi
	movl	$1, %edi
	xorl	%eax, %eax
	call	__printf_chk@PLT
	movl	-48(%rbp), %eax
	movq	%r12, %rsp
	leal	-1(%rax), %edx
	movl	%edx, -48(%rbp)
	testl	%eax, %eax
	jne	.L6
.L2:
	movq	-40(%rbp), %rax
	subq	%fs:40, %rax
	jne	.L18
	leaq	-24(%rbp), %rsp
	xorl	%eax, %eax
	popq	%rbx
	popq	%r12
	popq	%r13
	popq	%rbp
	.cfi_remember_state
	.cfi_def_cfa 7, 8
	ret
.L18:
	.cfi_restore_state
	call	__stack_chk_fail@PLT
	.cfi_endproc
.LFE23:
	.size	main, .-main
	.ident	"GCC: (Ubuntu 11.4.0-1ubuntu1~22.04) 11.4.0"
	.section	.note.GNU-stack,"",@progbits
	.section	.note.gnu.property,"a"
	.align 8
	.long	1f - 0f
	.long	4f - 1f
	.long	5
0:
	.string	"GNU"
1:
	.align 8
	.long	0xc0000002
	.long	3f - 2f
2:
	.long	0x3
3:
	.align 8
4:

#include <stdio.h>
int main() {
  int H, W;
  scanf("%d %d", &H, &W);
  while (H--) {
    char str[W];
    scanf("%s", &str);
    printf("%s\n%s\n", str, str);
  }
  return 0;
}
9 20
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Given the following C code and unoptimized assembly code, your task is to generate highly optimized x86-64 assembly code.
C Code:

```c
#include <stdio.h>
int main() {
  int H, W;
  scanf("%d %d", &H, &W);
  while (H--) {
    char str[W];
    scanf("%s", &str);
    printf("%s\n%s\n", str, str);
  }
  return 0;
}```

Unoptimized Assembly Code:

```assembly
	.file	"temp.c"
	.text
	.section	.rodata
.LC0:
	.string	"%d %d"
.LC1:
	.string	"%s"
.LC2:
	.string	"%s\n%s\n"
	.text
	.globl	main
	.type	main, @function
main:
.LFB0:
	.cfi_startproc
	endbr64
	pushq	%rbp
	.cfi_def_cfa_offset 16
	.cfi_offset 6, -16
	movq	%rsp, %rbp
	.cfi_def_cfa_register 6
	pushq	%r15
	pushq	%r14
	pushq	%r13
	pushq	%r12
	pushq	%rbx
	subq	$40, %rsp
	.cfi_offset 15, -24
	.cfi_offset 14, -32
	.cfi_offset 13, -40
	.cfi_offset 12, -48
	.cfi_offset 3, -56
	movq	%fs:40, %rax
	movq	%rax, -56(%rbp)
	xorl	%eax, %eax
	leaq	-76(%rbp), %rdx
	leaq	-80(%rbp), %rax
	movq	%rax, %rsi
	leaq	.LC0(%rip), %rax
	movq	%rax, %rdi
	movl	$0, %eax
	call	__isoc99_scanf@PLT
	jmp	.L2
.L6:
	movq	%rsp, %rax
	movq	%rax, %rbx
	movl	-76(%rbp), %eax
	movslq	%eax, %rdx
	subq	$1, %rdx
	movq	%rdx, -72(%rbp)
	movslq	%eax, %rdx
	movq	%rdx, %r12
	movl	$0, %r13d
	movslq	%eax, %rdx
	movq	%rdx, %r14
	movl	$0, %r15d
	cltq
	movl	$16, %edx
	subq	$1, %rdx
	addq	%rdx, %rax
	movl	$16, %esi
	movl	$0, %edx
	divq	%rsi
	imulq	$16, %rax, %rax
	movq	%rax, %rcx
	andq	$-4096, %rcx
	movq	%rsp, %rdx
	subq	%rcx, %rdx
.L3:
	cmpq	%rdx, %rsp
	je	.L4
	subq	$4096, %rsp
	orq	$0, 4088(%rsp)
	jmp	.L3
.L4:
	movq	%rax, %rdx
	andl	$4095, %edx
	subq	%rdx, %rsp
	movq	%rax, %rdx
	andl	$4095, %edx
	testq	%rdx, %rdx
	je	.L5
	andl	$4095, %eax
	subq	$8, %rax
	addq	%rsp, %rax
	orq	$0, (%rax)
.L5:
	movq	%rsp, %rax
	addq	$0, %rax
	movq	%rax, -64(%rbp)
	movq	-64(%rbp), %rax
	movq	%rax, %rsi
	leaq	.LC1(%rip), %rax
	movq	%rax, %rdi
	movl	$0, %eax
	call	__isoc99_scanf@PLT
	movq	-64(%rbp), %rdx
	movq	-64(%rbp), %rax
	movq	%rax, %rsi
	leaq	.LC2(%rip), %rax
	movq	%rax, %rdi
	movl	$0, %eax
	call	printf@PLT
	movq	%rbx, %rsp
.L2:
	movl	-80(%rbp), %eax
	leal	-1(%rax), %edx
	movl	%edx, -80(%rbp)
	testl	%eax, %eax
	jne	.L6
	movl	$0, %eax
	movq	-56(%rbp), %rdx
	subq	%fs:40, %rdx
	je	.L8
	call	__stack_chk_fail@PLT
.L8:
	leaq	-40(%rbp), %rsp
	popq	%rbx
	popq	%r12
	popq	%r13
	popq	%r14
	popq	%r15
	popq	%rbp
	.cfi_def_cfa 7, 8
	ret
	.cfi_endproc
.LFE0:
	.size	main, .-main
	.ident	"GCC: (Ubuntu 11.4.0-1ubuntu1~22.04) 11.4.0"
	.section	.note.GNU-stack,"",@progbits
	.section	.note.gnu.property,"a"
	.align 8
	.long	1f - 0f
	.long	4f - 1f
	.long	5
0:
	.string	"GNU"
1:
	.align 8
	.long	0xc0000002
	.long	3f - 2f
2:
	.long	0x3
3:
	.align 8
4:
```

Only output the optimized assembly code. Do not include any other text. Do not write any comments in the assembly code. Wrap the assembly code in ```assembly``` tags.
train
	.file	"temp.c"
	.text
	.section	.rodata
.LC0:
	.string	"%d %d"
.LC1:
	.string	"%s"
.LC2:
	.string	"%s\n%s\n"
	.text
	.globl	main
	.type	main, @function
main:
.LFB0:
	.cfi_startproc
	endbr64
	pushq	%rbp
	.cfi_def_cfa_offset 16
	.cfi_offset 6, -16
	movq	%rsp, %rbp
	.cfi_def_cfa_register 6
	pushq	%r15
	pushq	%r14
	pushq	%r13
	pushq	%r12
	pushq	%rbx
	subq	$40, %rsp
	.cfi_offset 15, -24
	.cfi_offset 14, -32
	.cfi_offset 13, -40
	.cfi_offset 12, -48
	.cfi_offset 3, -56
	movq	%fs:40, %rax
	movq	%rax, -56(%rbp)
	xorl	%eax, %eax
	leaq	-76(%rbp), %rdx
	leaq	-80(%rbp), %rax
	movq	%rax, %rsi
	leaq	.LC0(%rip), %rax
	movq	%rax, %rdi
	movl	$0, %eax
	call	__isoc99_scanf@PLT
	jmp	.L2
.L6:
	movq	%rsp, %rax
	movq	%rax, %rbx
	movl	-76(%rbp), %eax
	movslq	%eax, %rdx
	subq	$1, %rdx
	movq	%rdx, -72(%rbp)
	movslq	%eax, %rdx
	movq	%rdx, %r12
	movl	$0, %r13d
	movslq	%eax, %rdx
	movq	%rdx, %r14
	movl	$0, %r15d
	cltq
	movl	$16, %edx
	subq	$1, %rdx
	addq	%rdx, %rax
	movl	$16, %esi
	movl	$0, %edx
	divq	%rsi
	imulq	$16, %rax, %rax
	movq	%rax, %rcx
	andq	$-4096, %rcx
	movq	%rsp, %rdx
	subq	%rcx, %rdx
.L3:
	cmpq	%rdx, %rsp
	je	.L4
	subq	$4096, %rsp
	orq	$0, 4088(%rsp)
	jmp	.L3
.L4:
	movq	%rax, %rdx
	andl	$4095, %edx
	subq	%rdx, %rsp
	movq	%rax, %rdx
	andl	$4095, %edx
	testq	%rdx, %rdx
	je	.L5
	andl	$4095, %eax
	subq	$8, %rax
	addq	%rsp, %rax
	orq	$0, (%rax)
.L5:
	movq	%rsp, %rax
	addq	$0, %rax
	movq	%rax, -64(%rbp)
	movq	-64(%rbp), %rax
	movq	%rax, %rsi
	leaq	.LC1(%rip), %rax
	movq	%rax, %rdi
	movl	$0, %eax
	call	__isoc99_scanf@PLT
	movq	-64(%rbp), %rdx
	movq	-64(%rbp), %rax
	movq	%rax, %rsi
	leaq	.LC2(%rip), %rax
	movq	%rax, %rdi
	movl	$0, %eax
	call	printf@PLT
	movq	%rbx, %rsp
.L2:
	movl	-80(%rbp), %eax
	leal	-1(%rax), %edx
	movl	%edx, -80(%rbp)
	testl	%eax, %eax
	jne	.L6
	movl	$0, %eax
	movq	-56(%rbp), %rdx
	subq	%fs:40, %rdx
	je	.L8
	call	__stack_chk_fail@PLT
.L8:
	leaq	-40(%rbp), %rsp
	popq	%rbx
	popq	%r12
	popq	%r13
	popq	%r14
	popq	%r15
	popq	%rbp
	.cfi_def_cfa 7, 8
	ret
	.cfi_endproc
.LFE0:
	.size	main, .-main
	.ident	"GCC: (Ubuntu 11.4.0-1ubuntu1~22.04) 11.4.0"
	.section	.note.GNU-stack,"",@progbits
	.section	.note.gnu.property,"a"
	.align 8
	.long	1f - 0f
	.long	4f - 1f
	.long	5
0:
	.string	"GNU"
1:
	.align 8
	.long	0xc0000002
	.long	3f - 2f
2:
	.long	0x3
3:
	.align 8
4:
