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

```c
#include <stdio.h> 
 #include <ctype.h> 
 
 
 int main(){ 
     char ch; 
     while(1){ 
         scanf("%c", &ch); 
         if(ch=='\n'){ 
             printf("\n"); 
             break; 
         }else if(islower(ch)){ 
             printf("%c", toupper(ch)); 
         }else if(isupper(ch)){ 
             printf("%c", tolower(ch)); 
         }else{ 
             printf("%c", ch); 
         } 
     } 
 
 
     return 0; 
 } 

```

Assembly Code:

```assembly
	.file	"temp.c"
	.text
	.section	.rodata.str1.1,"aMS",@progbits,1
.LC0:
	.string	"%c"
	.section	.text.startup,"ax",@progbits
	.p2align 4
	.globl	main
	.type	main, @function
main:
.LFB25:
	.cfi_startproc
	endbr64
	pushq	%r13
	.cfi_def_cfa_offset 16
	.cfi_offset 13, -16
	pushq	%r12
	.cfi_def_cfa_offset 24
	.cfi_offset 12, -24
	leaq	.LC0(%rip), %r12
	pushq	%rbp
	.cfi_def_cfa_offset 32
	.cfi_offset 6, -32
	pushq	%rbx
	.cfi_def_cfa_offset 40
	.cfi_offset 3, -40
	subq	$24, %rsp
	.cfi_def_cfa_offset 64
	movq	%fs:40, %rax
	movq	%rax, 8(%rsp)
	xorl	%eax, %eax
	leaq	7(%rsp), %r13
	.p2align 4,,10
	.p2align 3
.L2:
	movq	%r13, %rsi
	movq	%r12, %rdi
	xorl	%eax, %eax
	call	__isoc99_scanf@PLT
	movzbl	7(%rsp), %ebx
	cmpb	$10, %bl
	je	.L11
	call	__ctype_b_loc@PLT
	movsbq	%bl, %rbp
	movq	(%rax), %rax
	movzwl	(%rax,%rbp,2), %eax
	testb	$2, %ah
	jne	.L12
	testb	$1, %ah
	je	.L6
	call	__ctype_tolower_loc@PLT
	movq	(%rax), %rax
	movl	(%rax,%rbp,4), %edi
	call	putchar@PLT
	jmp	.L2
	.p2align 4,,10
	.p2align 3
.L6:
	movsbl	%bl, %edi
	call	putchar@PLT
	jmp	.L2
	.p2align 4,,10
	.p2align 3
.L12:
	call	__ctype_toupper_loc@PLT
	movq	(%rax), %rax
	movl	(%rax,%rbp,4), %edi
	call	putchar@PLT
	jmp	.L2
	.p2align 4,,10
	.p2align 3
.L11:
	movl	$10, %edi
	call	putchar@PLT
	movq	8(%rsp), %rax
	subq	%fs:40, %rax
	jne	.L13
	addq	$24, %rsp
	.cfi_remember_state
	.cfi_def_cfa_offset 40
	xorl	%eax, %eax
	popq	%rbx
	.cfi_def_cfa_offset 32
	popq	%rbp
	.cfi_def_cfa_offset 24
	popq	%r12
	.cfi_def_cfa_offset 16
	popq	%r13
	.cfi_def_cfa_offset 8
	ret
.L13:
	.cfi_restore_state
	call	__stack_chk_fail@PLT
	.cfi_endproc
.LFE25:
	.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.
Optimized Assembly Code:

user
```assembly
	.file	"temp.c"
	.text
	.section	.rodata.str1.1,"aMS",@progbits,1
.LC0:
	.string	"%c"
	.section	.text.startup,"ax",@progbits
	.p2align 4
	.globl	main
	.type	main, @function
main:
.LFB25:
	.cfi_startproc
	endbr64
	pushq	%r13
	.cfi_def_cfa_offset 16
	.cfi_offset 13, -16
	pushq	%r12
	.cfi_def_cfa_offset 24
	.cfi_offset 12, -24
	leaq	.LC0(%rip), %r12
	pushq	%rbp
	.cfi_def_cfa_offset 32
	.cfi_offset 6, -32
	pushq	%rbx
	.cfi_def_cfa_offset 40
	.cfi_offset 3, -40
	subq	$24, %rsp
	.cfi_def_cfa_offset 64
	movq	%fs:40, %rax
	movq	%rax, 8(%rsp)
	xorl	%eax, %eax
	leaq	7(%rsp), %r13
	.p2align 4,,10
	.p2align 3
.L2:
	movq	%r13, %rsi
	movq	%r12, %rdi
	xorl	%eax, %eax
	call	__isoc99_scanf@PLT
	movzbl	7(%rsp), %ebx
	cmpb	$10, %bl
	je	.L11
	call	__ctype_b_loc@PLT
	movsbq	%bl, %rbp
	movq	(%rax), %rax
	movzwl	(%rax,%rbp,2), %eax
	testb	$2, %ah
	jne	.L12
	testb	$1, %ah
	je	.L6
	call	__ctype_tolower_loc@PLT
	movq	(%rax), %rax
	movl	(%rax,%rbp,4), %edi
	call	putchar@PLT
	jmp	.L2
	.p2align 4,,10
	.p2align 3
.L6:
	movsbl	%bl, %edi
	call	putchar@PLT
	jmp	.L2
	.p2align 4,,10
	.p2align 3
.L12:
	call	__ctype_toupper_loc@PLT
	movq	(%rax), %rax
	movl	(%rax,%rbp,4), %edi
	call	putchar@PLT
	jmp	.L2
	.p2align 4,,10
	.p2align 3
.L11:
	movl	$10, %edi
	call	putchar@PLT
	movq	8(%rsp), %rax
	subq	%fs:40, %rax
	jne	.L13
	addq	$24, %rsp
	.cfi_remember_state
	.cfi_def_cfa_offset 40
	xorl	%eax, %eax
	popq	%rbx
	.cfi_def_cfa_offset 32
	popq	%rbp
	.cfi_def_cfa_offset 24
	popq	%r12
	.cfi_def_cfa_offset 16
	popq	%r13
	.cfi_def_cfa_offset 8
	ret
.L13:
	.cfi_restore_state
	call	__stack_chk_fail@PLT
	.cfi_endproc
.LFE25:
	.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
```assembly
	.file	"temp.c"
	.text
	.section	.rodata.str1.1,"aMS",@progbits,1
.LC0:
	.string	"%c"
	.section	.text.startup,"ax",@progbits
	.p2align 4
	.globl	main
	.type	main, @function
main:
.LFB25:
	.cfi_startproc
	endbr64
	pushq	%r13
	.cfi_def_cfa_offset 16
	.cfi_offset 13, -16
	pushq	%r12
	.cfi_def_cfa_offset 24
	.cfi_offset 12, -24
	leaq	.LC0(%rip), %r12
	pushq	%rbp
	.cfi_def_cfa_offset 32
	.cfi_offset 6, -32
	pushq	%rbx
	.cfi_def_cfa_offset 40
	.cfi_offset 3, -40
	subq	$24, %rsp
	.cfi_def_cfa_offset 64
	movq	%fs:40, %rax
	movq	%rax, 8(%rsp)
	xorl	%eax, %eax
	leaq	7(%rsp), %r13
	.p2align 4,,10
	.p2align 3
.L2:
	movq	%r13, %rsi
	movq	%r12, %rdi
	xorl	%eax, %eax
	call	__isoc99_scanf@PLT
	movzbl	7(%rsp), %ebx
	cmpb	$10, %bl
	je	.L11
	call	__ctype_b_loc@PLT
	movsbq	%bl, %rbp
	movq	(%rax), %rax
	movzwl	(%rax,%rbp,2), %eax
	testb	$2, %ah
	jne	.L12
	testb	$1, %ah
	je	.L6
	call	__ctype_tolower_loc@PLT
	movq	(%rax), %rax
	movl	(%rax,%rbp,4), %edi
	call	putchar@PLT
	jmp	.L2
	.p2align 4,,10
	.p2align 3
.L6:
	movsbl	%bl, %edi
	call	putchar@PLT
	jmp	.L2
	.p2align 4,,10
	.p2align 3
.L12:
	call	__ctype_toupper_loc@PLT
	movq	(%rax), %rax
	movl	(%rax,%rbp,4), %edi
	call	putchar@PLT
	jmp	.L2
	.p2align 4,,10
	.p2align 3
.L11:
	movl	$10, %edi
	call	putchar@PLT
	movq	8(%rsp), %rax
	subq	%fs:40, %rax
	jne	.L13
	addq	$24, %rsp
	.cfi_remember_state
	.cfi_def_cfa_offset 40
	xorl	%eax, %eax
	popq	%rbx
	.cfi_def_cfa_offset 32
	popq	%rbp
	.cfi_def_cfa_offset 24
	popq	%r12
	.cfi_def_cfa_offset 16
	popq	%r13
	.cfi_def_cfa_offset 8
	ret
.L13:
	.cfi_restore_state
	call	__stack_chk_fail@PLT
	.cfi_endproc
.LFE25:
	.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:
```
```c
#include <stdio.h> 
 #include <ctype.h> 
 
 
 int main(){ 
     char ch; 
     while(1){ 
         scanf("%c", &ch); 
         if(ch=='\n'){ 
             printf("\n"); 
             break; 
         }else if(islower(ch)){ 
             printf("%c", toupper(ch)); 
         }else if(isupper(ch)){ 
             printf("%c", tolower(ch)); 
         }else{ 
             printf("%c", ch); 
         } 
     } 
 
 
     return 0; 
 } 

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

```c
#include <stdio.h> 
 #include <ctype.h> 
 
 
 int main(){ 
     char ch; 
     while(1){ 
         scanf("%c", &ch); 
         if(ch=='\n'){ 
             printf("\n"); 
             break; 
         }else if(islower(ch)){ 
             printf("%c", toupper(ch)); 
         }else if(isupper(ch)){ 
             printf("%c", tolower(ch)); 
         }else{ 
             printf("%c", ch); 
         } 
     } 
 
 
     return 0; 
 } 

```

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.
Optimized Assembly Code:

f@IR, LATER, OCCASIONALLY CLOUDY.
 f@IR, LATER, YLLANOISACCO CLOUDY.
 f@IR, LATER, OLLANOISACCY CLOUDY.
 f@IR, LATER, OLKANOISACCY CLOUDY.
 ,RI@f LATER, OLKANOISACCY CLOUDY.
 ,RI@f KATER, OLKANOISACCY CLOUDY.
 ,RI@g KATER, OLKANOISACCY CLOUDY.
 ,RI@g KATER, OLKANOISACCY CLOUDX.
 ,RI@g KATFR, OLKANOISACCY CLOUDX.
 ,RI@g KATFR, OLKANOISACCY .XDUOLC

F@ir, later, occasionally cloudy.
 F@ir, later, yllanoisacco cloudy.
 F@ir, later, ollanoisaccy cloudy.
 F@ir, later, olkanoisaccy cloudy.
 ,ri@F later, olkanoisaccy cloudy.
 ,ri@F kater, olkanoisaccy cloudy.
 ,ri@G kater, olkanoisaccy cloudy.
 ,ri@G kater, olkanoisaccy cloudx.
 ,ri@G katfr, olkanoisaccy cloudx.
 ,ri@G katfr, olkanoisaccy .xduolc

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

```c
#include <stdio.h> 
 #include <ctype.h> 
 
 
 int main(){ 
     char ch; 
     while(1){ 
         scanf("%c", &ch); 
         if(ch=='\n'){ 
             printf("\n"); 
             break; 
         }else if(islower(ch)){ 
             printf("%c", toupper(ch)); 
         }else if(isupper(ch)){ 
             printf("%c", tolower(ch)); 
         }else{ 
             printf("%c", ch); 
         } 
     } 
 
 
     return 0; 
 } 

```

Assembly Code:

```assembly
	.file	"temp.c"
	.text
	.section	.rodata.str1.1,"aMS",@progbits,1
.LC0:
	.string	"%c"
	.section	.text.startup,"ax",@progbits
	.p2align 4
	.globl	main
	.type	main, @function
main:
.LFB25:
	.cfi_startproc
	endbr64
	pushq	%r13
	.cfi_def_cfa_offset 16
	.cfi_offset 13, -16
	pushq	%r12
	.cfi_def_cfa_offset 24
	.cfi_offset 12, -24
	leaq	.LC0(%rip), %r12
	pushq	%rbp
	.cfi_def_cfa_offset 32
	.cfi_offset 6, -32
	pushq	%rbx
	.cfi_def_cfa_offset 40
	.cfi_offset 3, -40
	subq	$24, %rsp
	.cfi_def_cfa_offset 64
	movq	%fs:40, %rax
	movq	%rax, 8(%rsp)
	xorl	%eax, %eax
	leaq	7(%rsp), %r13
	.p2align 4,,10
	.p2align 3
.L2:
	movq	%r13, %rsi
	movq	%r12, %rdi
	xorl	%eax, %eax
	call	__isoc99_scanf@PLT
	movzbl	7(%rsp), %ebx
	cmpb	$10, %bl
	je	.L11
	call	__ctype_b_loc@PLT
	movsbq	%bl, %rbp
	movq	(%rax), %rax
	movzwl	(%rax,%rbp,2), %eax
	testb	$2, %ah
	jne	.L12
	testb	$1, %ah
	je	.L6
	call	__ctype_tolower_loc@PLT
	movq	(%rax), %rax
	movl	(%rax,%rbp,4), %edi
	call	putchar@PLT
	jmp	.L2
	.p2align 4,,10
	.p2align 3
.L6:
	movsbl	%bl, %edi
	call	putchar@PLT
	jmp	.L2
	.p2align 4,,10
	.p2align 3
.L12:
	call	__ctype_toupper_loc@PLT
	movq	(%rax), %rax
	movl	(%rax,%rbp,4), %edi
	call	putchar@PLT
	jmp	.L2
	.p2align 4,,10
	.p2align 3
.L11:
	movl	$10, %edi
	call	putchar@PLT
	movq	8(%rsp), %rax
	subq	%fs:40, %rax
	jne	.L13
	addq	$24, %rsp
	.cfi_remember_state
	.cfi_def_cfa_offset 40
	xorl	%eax, %eax
	popq	%rbx
	.cfi_def_cfa_offset 32
	popq	%rbp
	.cfi_def_cfa_offset 24
	popq	%r12
	.cfi_def_cfa_offset 16
	popq	%r13
	.cfi_def_cfa_offset 8
	ret
.L13:
	.cfi_restore_state
	call	__stack_chk_fail@PLT
	.cfi_endproc
.LFE25:
	.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.
Optimized Assembly Code:

train
```assembly
	.file	"temp.c"
	.text
	.section	.rodata.str1.1,"aMS",@progbits,1
.LC0:
	.string	"%c"
	.section	.text.startup,"ax",@progbits
	.p2align 4
	.globl	main
	.type	main, @function
main:
.LFB25:
	.cfi_startproc
	endbr64
	pushq	%r13
	.cfi_def_cfa_offset 16
	.cfi_offset 13, -16
	pushq	%r12
	.cfi_def_cfa_offset 24
	.cfi_offset 12, -24
	leaq	.LC0(%rip), %r12
	pushq	%rbp
	.cfi_def_cfa_offset 32
	.cfi_offset 6, -32
	pushq	%rbx
	.cfi_def_cfa_offset 40
	.cfi_offset 3, -40
	subq	$24, %rsp
	.cfi_def_cfa_offset 64
	movq	%fs:40, %rax
	movq	%rax, 8(%rsp)
	xorl	%eax, %eax
	leaq	7(%rsp), %r13
	.p2align 4,,10
	.p2align 3
.L2:
	movq	%r13, %rsi
	movq	%r12, %rdi
	xorl	%eax, %eax
	call	__isoc99_scanf@PLT
	movzbl	7(%rsp), %ebx
	cmpb	$10, %bl
	je	.L11
	call	__ctype_b_loc@PLT
	movsbq	%bl, %rbp
	movq	(%rax), %rax
	movzwl	(%rax,%rbp,2), %eax
	testb	$2, %ah
	jne	.L12
	testb	$1, %ah
	je	.L6
	call	__ctype_tolower_loc@PLT
	movq	(%rax), %rax
	movl	(%rax,%rbp,4), %edi
	call	putchar@PLT
	jmp	.L2
	.p2align 4,,10
	.p2align 3
.L6:
	movsbl	%bl, %edi
	call	putchar@PLT
	jmp	.L2
	.p2align 4,,10
	.p2align 3
.L12:
	call	__ctype_toupper_loc@PLT
	movq	(%rax), %rax
	movl	(%rax,%rbp,4), %edi
	call	putchar@PLT
	jmp	.L2
	.p2align 4,,10
	.p2align 3
.L11:
	movl	$10, %edi
	call	putchar@PLT
	movq	8(%rsp), %rax
	subq	%fs:40, %rax
	jne	.L13
	addq	$24, %rsp
	.cfi_remember_state
	.cfi_def_cfa_offset 40
	xorl	%eax, %eax
	popq	%rbx
	.cfi_def_cfa_offset 32
	popq	%rbp
	.cfi_def_cfa_offset 24
	popq	%r12
	.cfi_def_cfa_offset 16
	popq	%r13
	.cfi_def_cfa_offset 8
	ret
.L13:
	.cfi_restore_state
	call	__stack_chk_fail@PLT
	.cfi_endproc
.LFE25:
	.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:
```