user: 这段汇编代码用C语言表示是什么样的:

```asm
<main>:
  endbr64
  sub    $0x18,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  lea    D22(%rip),%rdi
  call   <printf@plt>
  lea    0x4(%rsp),%rsi
  lea    D149(%rip),%rdi
  call   <scanf@plt>
  mov    0x4(%rsp),%eax
  cmp    $0x64,%eax
  jg     L208
  cmp    $0x59,%eax
  jg     L72
  lea    D217(%rip),%rdi
  call   <printf@plt>
L198:
  lea    D22(%rip),%rdi
  call   <printf@plt>
  lea    0x4(%rsp),%rsi
  lea    D149(%rip),%rdi
  call   <scanf@plt>
  mov    0x4(%rsp),%eax
  cmp    $0x59,%eax
  jg     L71
  cmp    $0x4f,%eax
  jg     L145
  lea    D230(%rip),%rdi
  call   <printf@plt>
L93:
  lea    D22(%rip),%rdi
  call   <printf@plt>
  lea    0x4(%rsp),%rsi
  lea    D149(%rip),%rdi
  call   <scanf@plt>
  mov    0x4(%rsp),%eax
  cmp    $0x4f,%eax
  jg     L7
  cmp    $0x45,%eax
  jg     L66
  lea    D38(%rip),%rdi
  call   <printf@plt>
L209:
  lea    D22(%rip),%rdi
  call   <printf@plt>
  lea    0x4(%rsp),%rsi
  lea    D149(%rip),%rdi
  call   <scanf@plt>
  mov    0x4(%rsp),%eax
  cmp    $0x45,%eax
  jg     L117
  cmp    $0x3b,%eax
  jg     L146
  lea    D140(%rip),%rdi
  call   <printf@plt>
L155:
  lea    D22(%rip),%rdi
  call   <printf@plt>
  lea    0x4(%rsp),%rsi
  lea    D149(%rip),%rdi
  call   <scanf@plt>
  mov    0x4(%rsp),%eax
  cmp    $0x3b,%eax
  jg     L17
  test   %eax,%eax
  js     L88
  lea    D191(%rip),%rdi
  call   <printf@plt>
L12:
  mov    0x8(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L97
  mov    $0x0,%eax
  add    $0x18,%rsp
  ret
L208:
  lea    D78(%rip),%rdi
  call   <printf@plt>
  jmp    L198
L72:
  lea    D184(%rip),%rdi
  call   <printf@plt>
  jmp    L198
L71:
  lea    D230(%rip),%rdi
  call   <printf@plt>
  jmp    L93
L145:
  lea    D52(%rip),%rdi
  call   <printf@plt>
  jmp    L93
L7:
  lea    D38(%rip),%rdi
  call   <printf@plt>
  jmp    L209
L66:
  lea    D84(%rip),%rdi
  call   <printf@plt>
  jmp    L209
L117:
  lea    D140(%rip),%rdi
  call   <printf@plt>
  jmp    L155
L146:
  lea    D235(%rip),%rdi
  call   <printf@plt>
  jmp    L155
L17:
  lea    D89(%rip),%rdi
  call   <printf@plt>
  jmp    L12
L88:
  lea    D89(%rip),%rdi
  call   <printf@plt>
  jmp    L12
L97:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: parse_data
arguments: data_label: D22
type_infered: string
name: parse_data
arguments: data_label: D149
type_infered: string
name: parse_data
arguments: data_label: D217
type_infered: string
name: parse_data
arguments: data_label: D230
type_infered: string
name: parse_data
arguments: data_label: D38
type_infered: string
name: parse_data
arguments: data_label: D140
type_infered: string
name: parse_data
arguments: data_label: D191
type_infered: string
name: parse_data
arguments: data_label: D78
type_infered: string
name: parse_data
arguments: data_label: D184
type_infered: string
name: parse_data
arguments: data_label: D52
type_infered: string
name: parse_data
arguments: data_label: D84
type_infered: string
name: parse_data
arguments: data_label: D235
type_infered: string
name: parse_data
arguments: data_label: D89
type_infered: string

tool: D22: Enter the student's grade: 

tool: D149: %d

tool: D217: Invalid grade entered.  Expected 90 <= grade <= 100


tool: D230: Invalid grade entered. Expected 80 <= grade <= 89


tool: D38: Invalid grade entered. Expected 70 <= grade <= 79


tool: D140: Invalid grade entered. Expected 60 <= grade <= 69


tool: D191: Letter grade is: F


tool: D78: Invalid grade entered.Expected 0 <= grade <= 100


tool: D184: Letter grade is: A


tool: D52: Letter grade is: B


tool: D84: Letter grade is: C


tool: D235: Letter grade is: D


tool: D89: Invalid grade entered. Expected 0 <= grade <= 59


assistant: ```c
int main() {
  int grade;
  printf("Enter the student's grade: ");
  scanf("%d", &grade);
  if (grade > 100) {
    printf("Invalid grade entered.Expected 0 <= grade <= 100\n");
  } else if (grade < 90) {
    printf("Invalid grade entered.  Expected 90 <= grade <= 100\n");
  } else if (grade >= 90) {
    printf("Letter grade is: A\n");
  }
  printf("Enter the student's grade: ");
  scanf("%d", &grade);
  if (grade > 89) {
    printf("Invalid grade entered. Expected 80 <= grade <= 89\n");
  } else if (grade < 80) {
    printf("Invalid grade entered. Expected 80 <= grade <= 89\n");
  } else if (grade >= 80) {
    printf("Letter grade is: B\n");
  }
  printf("Enter the student's grade: ");
  scanf("%d", &grade);
  if (grade > 79) {
    printf("Invalid grade entered. Expected 70 <= grade <= 79\n");
  } else if (grade < 70) {
    printf("Invalid grade entered. Expected 70 <= grade <= 79\n");
  } else if (grade >= 70) {
    printf("Letter grade is: C\n");
  }
  printf("Enter the student's grade: ");
  scanf("%d", &grade);
  if (grade > 69) {
    printf("Invalid grade entered. Expected 60 <= grade <= 69\n");
  } else if (grade < 60) {
    printf("Invalid grade entered. Expected 60 <= grade <= 69\n");
  } else if (grade >= 60) {
    printf("Letter grade is: D\n");
  }
  printf("Enter the student's grade: ");
  scanf("%d", &grade);
  if (grade > 59) {
    printf("Invalid grade entered. Expected 0 <= grade <= 59\n");
  } else if (grade < 0) {
    printf("Invalid grade entered. Expected 0 <= grade <= 59\n");
  } else if (grade >= 0) {
    printf("Letter grade is: F\n");
  }
  return 0;
}
```