user: 请将以下的汇编代码转换成C语言代码:

```asm
<main>:
  endbr64
  push   %r13
  lea    D58(%rip),%r13
  push   %r12
  mov    %r13,%rdi
  push   %rbp
  lea    D110(%rip),%rbp
  sub    $0x10,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  lea    0x4(%rsp),%r12
  call   <printf@plt>
  mov    %r12,%rsi
  mov    %rbp,%rdi
  call   <scanf@plt>
  mov    0x4(%rsp),%eax
  cmp    $0x64,%eax
  jg     L27
  cmp    $0x59,%eax
  jle    L118
  lea    D27(%rip),%rdi
  call   <printf@plt>
L107:
  mov    %r13,%rdi
  call   <printf@plt>
  mov    %r12,%rsi
  mov    %rbp,%rdi
  call   <scanf@plt>
  mov    0x4(%rsp),%eax
  sub    $0x50,%eax
  cmp    $0x9,%eax
  ja     L21
  lea    D56(%rip),%rdi
  call   <printf@plt>
L24:
  mov    %r13,%rdi
  call   <printf@plt>
  mov    %r12,%rsi
  mov    %rbp,%rdi
  call   <scanf@plt>
  mov    0x4(%rsp),%eax
  sub    $0x46,%eax
  cmp    $0x9,%eax
  ja     L74
  lea    D60(%rip),%rdi
  call   <printf@plt>
L7:
  mov    %r13,%rdi
  call   <printf@plt>
  mov    %r12,%rsi
  mov    %rbp,%rdi
  call   <scanf@plt>
  mov    0x4(%rsp),%eax
  sub    $0x3c,%eax
  cmp    $0x9,%eax
  ja     L63
  lea    D26(%rip),%rdi
  call   <printf@plt>
L111:
  mov    %r13,%rdi
  call   <printf@plt>
  mov    %r12,%rsi
  mov    %rbp,%rdi
  call   <scanf@plt>
  cmpl   $0x3b,0x4(%rsp)
  ja     L59
  lea    D68(%rip),%rdi
  call   <printf@plt>
L94:
  mov    0x8(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L43
  add    $0x10,%rsp
  xor    %eax,%eax
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
L118:
  lea    D52(%rip),%rdi
  call   <printf@plt>
  jmp    L107
L63:
  lea    D64(%rip),%rdi
  call   <printf@plt>
  jmp    L111
L74:
  lea    D12(%rip),%rdi
  call   <printf@plt>
  jmp    L7
L21:
  lea    D106(%rip),%rdi
  call   <printf@plt>
  jmp    L24
L59:
  lea    D5(%rip),%rdi
  call   <printf@plt>
  jmp    L94
L27:
  lea    D65(%rip),%rdi
  call   <printf@plt>
  jmp    L107
L43:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: parse_data
arguments: tag: D58
type_guessed: string
name: parse_data
arguments: tag: D110
type_guessed: string
name: parse_data
arguments: tag: D27
type_guessed: string
name: parse_data
arguments: tag: D56
type_guessed: string
name: parse_data
arguments: tag: D60
type_guessed: string
name: parse_data
arguments: tag: D26
type_guessed: string
name: parse_data
arguments: tag: D68
type_guessed: string
name: parse_data
arguments: tag: D52
type_guessed: string
name: parse_data
arguments: tag: D64
type_guessed: string
name: parse_data
arguments: tag: D12
type_guessed: string
name: parse_data
arguments: tag: D106
type_guessed: string
name: parse_data
arguments: tag: D5
type_guessed: string
name: parse_data
arguments: tag: D65
type_guessed: string

tool: D58: Enter the student's grade: 

tool: D110: %d

tool: D27: Letter grade is: A


tool: D56: Letter grade is: B


tool: D60: Letter grade is: C


tool: D26: Letter grade is: D


tool: D68: Letter grade is: F


tool: D52: Invalid grade entered.  Expected 90 <= grade <= 100


tool: D64: Invalid grade entered. Expected 60 <= grade <= 69


tool: D12: Invalid grade entered. Expected 70 <= grade <= 79


tool: D106: Invalid grade entered. Expected 80 <= grade <= 89


tool: D5: Invalid grade entered. Expected 0 <= grade <= 59


tool: D65: Invalid grade entered.Expected 0 <= grade <= 100


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;
}
```