user: What would the C source look like for the assembly code provided here:

```asm
<main>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  lea    D23(%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    D4(%rip),%rax
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <scanf@plt>
  lea    D0(%rip),%rax
  mov    %rax,%rdi
  call   <printf@plt>
  lea    -0xc(%rbp),%rax
  mov    %rax,%rsi
  lea    D73(%rip),%rax
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <scanf@plt>
  movss  -0xc(%rbp),%xmm0
  movss  -0x1c(%rbp),%xmm1
  comiss %xmm1,%xmm0
  jbe    L78
  lea    D86(%rip),%rax
  mov    %rax,%rdi
  call   <printf@plt>
  jmp    L121
L78:
  movss  -0xc(%rbp),%xmm1
  movss  -0x1c(%rbp),%xmm0
  comiss %xmm1,%xmm0
  jb     L15
  movss  -0xc(%rbp),%xmm0
  movss  -0x18(%rbp),%xmm1
  comiss %xmm1,%xmm0
  jb     L15
  lea    D20(%rip),%rax
  mov    %rax,%rdi
  call   <printf@plt>
  jmp    L121
L15:
  movss  -0xc(%rbp),%xmm1
  movss  -0x18(%rbp),%xmm0
  comiss %xmm1,%xmm0
  jb     L50
  movss  -0xc(%rbp),%xmm0
  movss  -0x14(%rbp),%xmm1
  comiss %xmm1,%xmm0
  jb     L50
  lea    D7(%rip),%rax
  mov    %rax,%rdi
  call   <printf@plt>
  jmp    L121
L50:
  movss  -0xc(%rbp),%xmm1
  movss  -0x14(%rbp),%xmm0
  comiss %xmm1,%xmm0
  jb     L27
  movss  -0xc(%rbp),%xmm0
  movss  -0x10(%rbp),%xmm1
  comiss %xmm1,%xmm0
  jb     L27
  lea    D57(%rip),%rax
  mov    %rax,%rdi
  call   <printf@plt>
  jmp    L121
L27:
  movss  -0xc(%rbp),%xmm1
  movss  -0x10(%rbp),%xmm0
  comiss %xmm1,%xmm0
  jbe    L121
  lea    D54(%rip),%rax
  mov    %rax,%rdi
  call   <printf@plt>
L121:
  mov    $0x0,%eax
  mov    -0x8(%rbp),%rdx
  sub    %fs:0x28,%rdx
  je     L12
  call   <__stack_chk_fail@plt>
L12:
  leave
  ret
```

tool_calls: name: parse_data
arguments: tag: D23
datatype: string
name: parse_data
arguments: tag: D4
datatype: string
name: parse_data
arguments: tag: D0
datatype: string
name: parse_data
arguments: tag: D73
datatype: string
name: parse_data
arguments: tag: D86
datatype: string
name: parse_data
arguments: tag: D20
datatype: string
name: parse_data
arguments: tag: D7
datatype: string
name: parse_data
arguments: tag: D57
datatype: string
name: parse_data
arguments: tag: D54
datatype: string

tool: D23: Enter thresholds for A, B, C, D
in that order, decreasing percentages > 

tool: D4: %f%f%f%f

tool: D0: Thank you. Now enter student score (percent) >

tool: D73: %f

tool: D86: Student has an A grade


tool: D20: Student has an B grade


tool: D7: Student has an C grade


tool: D57: Student has an D grade


tool: D54: 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;
}
```