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 <string.h>
#include <stdlib.h>
#include <ctype.h>
#include <math.h>

int main() {

    char s[100000];
    
    scanf("%s", s);

    for (int i = 97; i < 97+ 26; i++) {

        char *p;
        p = strchr(s, i);
        
        if(p == NULL) {
            printf("%c", i);
            return 0;
        }

    }
    
    printf("None");
    
    


}
```

Assembly Code:

```assembly
	.file	"temp.c"
	.text
	.section	.rodata.str1.1,"aMS",@progbits,1
.LC0:
	.string	"%s"
.LC1:
	.string	"None"
	.section	.text.startup,"ax",@progbits
	.p2align 4
	.globl	main
	.type	main, @function
main:
.LFB53:
	.cfi_startproc
	endbr64
	pushq	%rbp
	.cfi_def_cfa_offset 16
	.cfi_offset 6, -16
	pushq	%rbx
	.cfi_def_cfa_offset 24
	.cfi_offset 3, -24
	leaq	-98304(%rsp), %r11
	.cfi_def_cfa 11, 98328
.LPSRL0:
	subq	$4096, %rsp
	orq	$0, (%rsp)
	cmpq	%r11, %rsp
	jne	.LPSRL0
	.cfi_def_cfa_register 7
	subq	$1720, %rsp
	.cfi_def_cfa_offset 100048
	leaq	.LC0(%rip), %rdi
	movl	$97, %ebp
	movq	%fs:40, %rax
	movq	%rax, 100008(%rsp)
	xorl	%eax, %eax
	movq	%rsp, %rbx
	movq	%rbx, %rsi
	call	__isoc99_scanf@PLT
	jmp	.L4
	.p2align 4,,10
	.p2align 3
.L2:
	addl	$1, %ebp
	cmpl	$123, %ebp
	je	.L9
.L4:
	movl	%ebp, %esi
	movq	%rbx, %rdi
	call	strchr@PLT
	testq	%rax, %rax
	jne	.L2
	movl	%ebp, %edi
	call	putchar@PLT
.L3:
	movq	100008(%rsp), %rax
	subq	%fs:40, %rax
	jne	.L10
	addq	$100024, %rsp
	.cfi_remember_state
	.cfi_def_cfa_offset 24
	xorl	%eax, %eax
	popq	%rbx
	.cfi_def_cfa_offset 16
	popq	%rbp
	.cfi_def_cfa_offset 8
	ret
.L9:
	.cfi_restore_state
	leaq	.LC1(%rip), %rsi
	movl	$1, %edi
	xorl	%eax, %eax
	call	__printf_chk@PLT
	jmp	.L3
.L10:
	call	__stack_chk_fail@PLT
	.cfi_endproc
.LFE53:
	.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	"%s"
.LC1:
	.string	"None"
	.section	.text.startup,"ax",@progbits
	.p2align 4
	.globl	main
	.type	main, @function
main:
.LFB53:
	.cfi_startproc
	endbr64
	pushq	%rbp
	.cfi_def_cfa_offset 16
	.cfi_offset 6, -16
	pushq	%rbx
	.cfi_def_cfa_offset 24
	.cfi_offset 3, -24
	leaq	-98304(%rsp), %r11
	.cfi_def_cfa 11, 98328
.LPSRL0:
	subq	$4096, %rsp
	orq	$0, (%rsp)
	cmpq	%r11, %rsp
	jne	.LPSRL0
	.cfi_def_cfa_register 7
	subq	$1720, %rsp
	.cfi_def_cfa_offset 100048
	leaq	.LC0(%rip), %rdi
	movl	$97, %ebp
	movq	%fs:40, %rax
	movq	%rax, 100008(%rsp)
	xorl	%eax, %eax
	movq	%rsp, %rbx
	movq	%rbx, %rsi
	call	__isoc99_scanf@PLT
	jmp	.L4
	.p2align 4,,10
	.p2align 3
.L2:
	addl	$1, %ebp
	cmpl	$123, %ebp
	je	.L9
.L4:
	movl	%ebp, %esi
	movq	%rbx, %rdi
	call	strchr@PLT
	testq	%rax, %rax
	jne	.L2
	movl	%ebp, %edi
	call	putchar@PLT
.L3:
	movq	100008(%rsp), %rax
	subq	%fs:40, %rax
	jne	.L10
	addq	$100024, %rsp
	.cfi_remember_state
	.cfi_def_cfa_offset 24
	xorl	%eax, %eax
	popq	%rbx
	.cfi_def_cfa_offset 16
	popq	%rbp
	.cfi_def_cfa_offset 8
	ret
.L9:
	.cfi_restore_state
	leaq	.LC1(%rip), %rsi
	movl	$1, %edi
	xorl	%eax, %eax
	call	__printf_chk@PLT
	jmp	.L3
.L10:
	call	__stack_chk_fail@PLT
	.cfi_endproc
.LFE53:
	.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	"%s"
.LC1:
	.string	"None"
	.section	.text.startup,"ax",@progbits
	.p2align 4
	.globl	main
	.type	main, @function
main:
.LFB53:
	.cfi_startproc
	endbr64
	pushq	%rbp
	.cfi_def_cfa_offset 16
	.cfi_offset 6, -16
	pushq	%rbx
	.cfi_def_cfa_offset 24
	.cfi_offset 3, -24
	leaq	-98304(%rsp), %r11
	.cfi_def_cfa 11, 98328
.LPSRL0:
	subq	$4096, %rsp
	orq	$0, (%rsp)
	cmpq	%r11, %rsp
	jne	.LPSRL0
	.cfi_def_cfa_register 7
	subq	$1720, %rsp
	.cfi_def_cfa_offset 100048
	leaq	.LC0(%rip), %rdi
	movl	$97, %ebp
	movq	%fs:40, %rax
	movq	%rax, 100008(%rsp)
	xorl	%eax, %eax
	movq	%rsp, %rbx
	movq	%rbx, %rsi
	call	__isoc99_scanf@PLT
	jmp	.L4
	.p2align 4,,10
	.p2align 3
.L2:
	addl	$1, %ebp
	cmpl	$123, %ebp
	je	.L9
.L4:
	movl	%ebp, %esi
	movq	%rbx, %rdi
	call	strchr@PLT
	testq	%rax, %rax
	jne	.L2
	movl	%ebp, %edi
	call	putchar@PLT
.L3:
	movq	100008(%rsp), %rax
	subq	%fs:40, %rax
	jne	.L10
	addq	$100024, %rsp
	.cfi_remember_state
	.cfi_def_cfa_offset 24
	xorl	%eax, %eax
	popq	%rbx
	.cfi_def_cfa_offset 16
	popq	%rbp
	.cfi_def_cfa_offset 8
	ret
.L9:
	.cfi_restore_state
	leaq	.LC1(%rip), %rsi
	movl	$1, %edi
	xorl	%eax, %eax
	call	__printf_chk@PLT
	jmp	.L3
.L10:
	call	__stack_chk_fail@PLT
	.cfi_endproc
.LFE53:
	.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 <string.h>
#include <stdlib.h>
#include <ctype.h>
#include <math.h>

int main() {

    char s[100000];
    
    scanf("%s", s);

    for (int i = 97; i < 97+ 26; i++) {

        char *p;
        p = strchr(s, i);
        
        if(p == NULL) {
            printf("%c", i);
            return 0;
        }

    }
    
    printf("None");
    
    


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

```c
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <ctype.h>
#include <math.h>

int main() {

    char s[100000];
    
    scanf("%s", s);

    for (int i = 97; i < 97+ 26; i++) {

        char *p;
        p = strchr(s, i);
        
        if(p == NULL) {
            printf("%c", i);
            return 0;
        }

    }
    
    printf("None");
    
    


}
```

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:

atcoderregularcontest

b
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 <string.h>
#include <stdlib.h>
#include <ctype.h>
#include <math.h>

int main() {

    char s[100000];
    
    scanf("%s", s);

    for (int i = 97; i < 97+ 26; i++) {

        char *p;
        p = strchr(s, i);
        
        if(p == NULL) {
            printf("%c", i);
            return 0;
        }

    }
    
    printf("None");
    
    


}
```

Assembly Code:

```assembly
	.file	"temp.c"
	.text
	.section	.rodata.str1.1,"aMS",@progbits,1
.LC0:
	.string	"%s"
.LC1:
	.string	"None"
	.section	.text.startup,"ax",@progbits
	.p2align 4
	.globl	main
	.type	main, @function
main:
.LFB53:
	.cfi_startproc
	endbr64
	pushq	%rbp
	.cfi_def_cfa_offset 16
	.cfi_offset 6, -16
	pushq	%rbx
	.cfi_def_cfa_offset 24
	.cfi_offset 3, -24
	leaq	-98304(%rsp), %r11
	.cfi_def_cfa 11, 98328
.LPSRL0:
	subq	$4096, %rsp
	orq	$0, (%rsp)
	cmpq	%r11, %rsp
	jne	.LPSRL0
	.cfi_def_cfa_register 7
	subq	$1720, %rsp
	.cfi_def_cfa_offset 100048
	leaq	.LC0(%rip), %rdi
	movl	$97, %ebp
	movq	%fs:40, %rax
	movq	%rax, 100008(%rsp)
	xorl	%eax, %eax
	movq	%rsp, %rbx
	movq	%rbx, %rsi
	call	__isoc99_scanf@PLT
	jmp	.L4
	.p2align 4,,10
	.p2align 3
.L2:
	addl	$1, %ebp
	cmpl	$123, %ebp
	je	.L9
.L4:
	movl	%ebp, %esi
	movq	%rbx, %rdi
	call	strchr@PLT
	testq	%rax, %rax
	jne	.L2
	movl	%ebp, %edi
	call	putchar@PLT
.L3:
	movq	100008(%rsp), %rax
	subq	%fs:40, %rax
	jne	.L10
	addq	$100024, %rsp
	.cfi_remember_state
	.cfi_def_cfa_offset 24
	xorl	%eax, %eax
	popq	%rbx
	.cfi_def_cfa_offset 16
	popq	%rbp
	.cfi_def_cfa_offset 8
	ret
.L9:
	.cfi_restore_state
	leaq	.LC1(%rip), %rsi
	movl	$1, %edi
	xorl	%eax, %eax
	call	__printf_chk@PLT
	jmp	.L3
.L10:
	call	__stack_chk_fail@PLT
	.cfi_endproc
.LFE53:
	.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	"%s"
.LC1:
	.string	"None"
	.section	.text.startup,"ax",@progbits
	.p2align 4
	.globl	main
	.type	main, @function
main:
.LFB53:
	.cfi_startproc
	endbr64
	pushq	%rbp
	.cfi_def_cfa_offset 16
	.cfi_offset 6, -16
	pushq	%rbx
	.cfi_def_cfa_offset 24
	.cfi_offset 3, -24
	leaq	-98304(%rsp), %r11
	.cfi_def_cfa 11, 98328
.LPSRL0:
	subq	$4096, %rsp
	orq	$0, (%rsp)
	cmpq	%r11, %rsp
	jne	.LPSRL0
	.cfi_def_cfa_register 7
	subq	$1720, %rsp
	.cfi_def_cfa_offset 100048
	leaq	.LC0(%rip), %rdi
	movl	$97, %ebp
	movq	%fs:40, %rax
	movq	%rax, 100008(%rsp)
	xorl	%eax, %eax
	movq	%rsp, %rbx
	movq	%rbx, %rsi
	call	__isoc99_scanf@PLT
	jmp	.L4
	.p2align 4,,10
	.p2align 3
.L2:
	addl	$1, %ebp
	cmpl	$123, %ebp
	je	.L9
.L4:
	movl	%ebp, %esi
	movq	%rbx, %rdi
	call	strchr@PLT
	testq	%rax, %rax
	jne	.L2
	movl	%ebp, %edi
	call	putchar@PLT
.L3:
	movq	100008(%rsp), %rax
	subq	%fs:40, %rax
	jne	.L10
	addq	$100024, %rsp
	.cfi_remember_state
	.cfi_def_cfa_offset 24
	xorl	%eax, %eax
	popq	%rbx
	.cfi_def_cfa_offset 16
	popq	%rbp
	.cfi_def_cfa_offset 8
	ret
.L9:
	.cfi_restore_state
	leaq	.LC1(%rip), %rsi
	movl	$1, %edi
	xorl	%eax, %eax
	call	__printf_chk@PLT
	jmp	.L3
.L10:
	call	__stack_chk_fail@PLT
	.cfi_endproc
.LFE53:
	.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:
```