user: Please show me the C implementation that matches the assembly code listed below:

```asm
<main>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  lea    D32(%rip),%rax
  mov    %rax,%rdi
  call   <printf@plt>
  lea    -0x10(%rbp),%rsi
  lea    -0x14(%rbp),%rcx
  lea    -0x18(%rbp),%rdx
  lea    -0x1c(%rbp),%rax
  mov    %rsi,%r8
  mov    %rax,%rsi
  lea    D35(%rip),%rax
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <scanf@plt>
  lea    D72(%rip),%rax
  mov    %rax,%rdi
  call   <printf@plt>
  lea    -0xc(%rbp),%rax
  mov    %rax,%rsi
  lea    D24(%rip),%rax
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <scanf@plt>
  movss  -0xc(%rbp),%xmm0
  movss  -0x1c(%rbp),%xmm1
  comiss %xmm1,%xmm0
  jb     L53
  lea    D58(%rip),%rax
  mov    %rax,%rdi
  call   <printf@plt>
  jmp    L92
L53:
  movss  -0xc(%rbp),%xmm1
  movss  -0x1c(%rbp),%xmm0
  comiss %xmm1,%xmm0
  jbe    L55
  movss  -0xc(%rbp),%xmm0
  movss  -0x18(%rbp),%xmm1
  comiss %xmm1,%xmm0
  jb     L55
  lea    D30(%rip),%rax
  mov    %rax,%rdi
  call   <printf@plt>
  jmp    L92
L55:
  movss  -0xc(%rbp),%xmm1
  movss  -0x18(%rbp),%xmm0
  comiss %xmm1,%xmm0
  jbe    L54
  movss  -0xc(%rbp),%xmm0
  movss  -0x14(%rbp),%xmm1
  comiss %xmm1,%xmm0
  jb     L54
  lea    D37(%rip),%rax
  mov    %rax,%rdi
  call   <printf@plt>
  jmp    L92
L54:
  movss  -0xc(%rbp),%xmm1
  movss  -0x14(%rbp),%xmm0
  comiss %xmm1,%xmm0
  jbe    L62
  movss  -0xc(%rbp),%xmm0
  movss  -0x10(%rbp),%xmm1
  comiss %xmm1,%xmm0
  jb     L62
  lea    D14(%rip),%rax
  mov    %rax,%rdi
  call   <printf@plt>
  jmp    L92
L62:
  movss  -0xc(%rbp),%xmm1
  movss  -0x10(%rbp),%xmm0
  comiss %xmm1,%xmm0
  jbe    L92
  lea    D22(%rip),%rax
  mov    %rax,%rdi
  call   <printf@plt>
L92:
  mov    $0x0,%eax
  mov    -0x8(%rbp),%rdx
  sub    %fs:0x28,%rdx
  je     L51
  call   <__stack_chk_fail@plt>
L51:
  leave
  ret
```

tool_calls: name: extract_symbolic_data
arguments: data_tag: D32
data_type: string
name: extract_symbolic_data
arguments: data_tag: D35
data_type: string
name: extract_symbolic_data
arguments: data_tag: D72
data_type: string
name: extract_symbolic_data
arguments: data_tag: D24
data_type: string
name: extract_symbolic_data
arguments: data_tag: D58
data_type: string
name: extract_symbolic_data
arguments: data_tag: D30
data_type: string
name: extract_symbolic_data
arguments: data_tag: D37
data_type: string
name: extract_symbolic_data
arguments: data_tag: D14
data_type: string
name: extract_symbolic_data
arguments: data_tag: D22
data_type: string

tool: D32: Enter thresholds for A, B, C, D
in that order, decreasing percentages > 

tool: D35: %f%f%f%f

tool: D72: Thank you. Now enter student score (percent) >

tool: D24: %f

tool: D58: Student has an A grade


tool: D30: Student has an B grade


tool: D37: Student has an C grade


tool: D14: Student has an D grade


tool: D22: Student has failed that course


assistant: ```c
int main(void) {
  float a, b, c, d;
  float percent;
  printf("Enter thresholds for A, B, C, D\nin that order, decreasing percentages > ");
  scanf("%f%f%f%f", &a, &b, &c, &d);
  printf("Thank you. Now enter student score (percent) >");
  scanf("%f", &percent);
  if (percent >= a)
    printf("Student has an A grade\n");
  else if (percent < a && percent >= b)
    printf("Student has an B grade\n");
  else if (percent < b && percent >= c)
    printf("Student has an C grade\n");
  else if (percent < c && percent >= d)
    printf("Student has an D grade\n");
  else if (percent < d)
    printf("Student has failed that course\n");
  return 0;
}
```