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

```c
k;main(a,b){scanf("%d%d%d%d",&a,&b,&k,&k);k=k%2?b-a:a-b;printf(abs(k)>pow(10,18)?"Unfair":"%d",k);}```

Assembly Code:

```assembly
	.file	"temp.c"
	.text
	.section	.rodata.str1.1,"aMS",@progbits,1
.LC0:
	.string	"%d%d%d%d"
.LC1:
	.string	"%d"
	.section	.text.startup,"ax",@progbits
	.p2align 4
	.globl	main
	.type	main, @function
main:
.LFB0:
	.cfi_startproc
	endbr64
	subq	$24, %rsp
	.cfi_def_cfa_offset 32
	leaq	k(%rip), %r8
	xorl	%eax, %eax
	movl	%edi, 12(%rsp)
	leaq	8(%rsp), %rdx
	movq	%r8, %rcx
	leaq	.LC0(%rip), %rdi
	movl	%esi, 8(%rsp)
	leaq	12(%rsp), %rsi
	call	scanf@PLT
	testb	$1, k(%rip)
	je	.L2
	movl	8(%rsp), %esi
	subl	12(%rsp), %esi
.L3:
	leaq	.LC1(%rip), %rdi
	xorl	%eax, %eax
	movl	%esi, k(%rip)
	call	printf@PLT
	xorl	%eax, %eax
	addq	$24, %rsp
	.cfi_remember_state
	.cfi_def_cfa_offset 8
	ret
.L2:
	.cfi_restore_state
	movl	12(%rsp), %esi
	subl	8(%rsp), %esi
	jmp	.L3
	.cfi_endproc
.LFE0:
	.size	main, .-main
	.globl	k
	.bss
	.align 4
	.type	k, @object
	.size	k, 4
k:
	.zero	4
	.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	"%d%d%d%d"
.LC1:
	.string	"%d"
	.section	.text.startup,"ax",@progbits
	.p2align 4
	.globl	main
	.type	main, @function
main:
.LFB0:
	.cfi_startproc
	endbr64
	subq	$24, %rsp
	.cfi_def_cfa_offset 32
	leaq	k(%rip), %r8
	xorl	%eax, %eax
	movl	%edi, 12(%rsp)
	leaq	8(%rsp), %rdx
	movq	%r8, %rcx
	leaq	.LC0(%rip), %rdi
	movl	%esi, 8(%rsp)
	leaq	12(%rsp), %rsi
	call	scanf@PLT
	testb	$1, k(%rip)
	je	.L2
	movl	8(%rsp), %esi
	subl	12(%rsp), %esi
.L3:
	leaq	.LC1(%rip), %rdi
	xorl	%eax, %eax
	movl	%esi, k(%rip)
	call	printf@PLT
	xorl	%eax, %eax
	addq	$24, %rsp
	.cfi_remember_state
	.cfi_def_cfa_offset 8
	ret
.L2:
	.cfi_restore_state
	movl	12(%rsp), %esi
	subl	8(%rsp), %esi
	jmp	.L3
	.cfi_endproc
.LFE0:
	.size	main, .-main
	.globl	k
	.bss
	.align 4
	.type	k, @object
	.size	k, 4
k:
	.zero	4
	.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	"%d%d%d%d"
.LC1:
	.string	"%d"
	.section	.text.startup,"ax",@progbits
	.p2align 4
	.globl	main
	.type	main, @function
main:
.LFB0:
	.cfi_startproc
	endbr64
	subq	$24, %rsp
	.cfi_def_cfa_offset 32
	leaq	k(%rip), %r8
	xorl	%eax, %eax
	movl	%edi, 12(%rsp)
	leaq	8(%rsp), %rdx
	movq	%r8, %rcx
	leaq	.LC0(%rip), %rdi
	movl	%esi, 8(%rsp)
	leaq	12(%rsp), %rsi
	call	scanf@PLT
	testb	$1, k(%rip)
	je	.L2
	movl	8(%rsp), %esi
	subl	12(%rsp), %esi
.L3:
	leaq	.LC1(%rip), %rdi
	xorl	%eax, %eax
	movl	%esi, k(%rip)
	call	printf@PLT
	xorl	%eax, %eax
	addq	$24, %rsp
	.cfi_remember_state
	.cfi_def_cfa_offset 8
	ret
.L2:
	.cfi_restore_state
	movl	12(%rsp), %esi
	subl	8(%rsp), %esi
	jmp	.L3
	.cfi_endproc
.LFE0:
	.size	main, .-main
	.globl	k
	.bss
	.align 4
	.type	k, @object
	.size	k, 4
k:
	.zero	4
	.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
k;main(a,b){scanf("%d%d%d%d",&a,&b,&k,&k);k=k%2?b-a:a-b;printf(abs(k)>pow(10,18)?"Unfair":"%d",k);}```
Given the following C code, your task is to generate highly optimized x86-64 assembly code.
C Code:

```c
k;main(a,b){scanf("%d%d%d%d",&a,&b,&k,&k);k=k%2?b-a:a-b;printf(abs(k)>pow(10,18)?"Unfair":"%d",k);}```

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:

2 2 3 1
 0 3 2 0
 1000000000 1000000010 1000000000 1000000000000000000
 2 3 3 1
 4 3 3 1
 0 3 2 -1
 -1 3 4 -1
 1000000000 0000000010 1000000010 1000010100000000000
 -2 3 8 -1
 1000010000 0000000010 1100000010 1000010100000000000

0 -3 -10 1 -1 3 4 999999990 5 1000009990
Given the following C code and assembly code, your task is to generate highly optimized x86-64 assembly code.
C Code:

```c
k;main(a,b){scanf("%d%d%d%d",&a,&b,&k,&k);k=k%2?b-a:a-b;printf(abs(k)>pow(10,18)?"Unfair":"%d",k);}```

Assembly Code:

```assembly
	.file	"temp.c"
	.text
	.section	.rodata.str1.1,"aMS",@progbits,1
.LC0:
	.string	"%d%d%d%d"
.LC1:
	.string	"%d"
	.section	.text.startup,"ax",@progbits
	.p2align 4
	.globl	main
	.type	main, @function
main:
.LFB0:
	.cfi_startproc
	endbr64
	subq	$24, %rsp
	.cfi_def_cfa_offset 32
	leaq	k(%rip), %r8
	xorl	%eax, %eax
	movl	%edi, 12(%rsp)
	leaq	8(%rsp), %rdx
	movq	%r8, %rcx
	leaq	.LC0(%rip), %rdi
	movl	%esi, 8(%rsp)
	leaq	12(%rsp), %rsi
	call	scanf@PLT
	testb	$1, k(%rip)
	je	.L2
	movl	8(%rsp), %esi
	subl	12(%rsp), %esi
.L3:
	leaq	.LC1(%rip), %rdi
	xorl	%eax, %eax
	movl	%esi, k(%rip)
	call	printf@PLT
	xorl	%eax, %eax
	addq	$24, %rsp
	.cfi_remember_state
	.cfi_def_cfa_offset 8
	ret
.L2:
	.cfi_restore_state
	movl	12(%rsp), %esi
	subl	8(%rsp), %esi
	jmp	.L3
	.cfi_endproc
.LFE0:
	.size	main, .-main
	.globl	k
	.bss
	.align 4
	.type	k, @object
	.size	k, 4
k:
	.zero	4
	.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	"%d%d%d%d"
.LC1:
	.string	"%d"
	.section	.text.startup,"ax",@progbits
	.p2align 4
	.globl	main
	.type	main, @function
main:
.LFB0:
	.cfi_startproc
	endbr64
	subq	$24, %rsp
	.cfi_def_cfa_offset 32
	leaq	k(%rip), %r8
	xorl	%eax, %eax
	movl	%edi, 12(%rsp)
	leaq	8(%rsp), %rdx
	movq	%r8, %rcx
	leaq	.LC0(%rip), %rdi
	movl	%esi, 8(%rsp)
	leaq	12(%rsp), %rsi
	call	scanf@PLT
	testb	$1, k(%rip)
	je	.L2
	movl	8(%rsp), %esi
	subl	12(%rsp), %esi
.L3:
	leaq	.LC1(%rip), %rdi
	xorl	%eax, %eax
	movl	%esi, k(%rip)
	call	printf@PLT
	xorl	%eax, %eax
	addq	$24, %rsp
	.cfi_remember_state
	.cfi_def_cfa_offset 8
	ret
.L2:
	.cfi_restore_state
	movl	12(%rsp), %esi
	subl	8(%rsp), %esi
	jmp	.L3
	.cfi_endproc
.LFE0:
	.size	main, .-main
	.globl	k
	.bss
	.align 4
	.type	k, @object
	.size	k, 4
k:
	.zero	4
	.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:
```