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    D95(%rip),%rax
  mov    %rax,%rdi
  call   <printf@plt>
  lea    D63(%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    D2(%rip),%rax
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <scanf@plt>
  lea    D56(%rip),%rax
  mov    %rax,%rdi
  call   <printf@plt>
  lea    -0xc(%rbp),%rax
  mov    %rax,%rsi
  lea    D1(%rip),%rax
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <scanf@plt>
  movss  -0xc(%rbp),%xmm0
  movss  -0x1c(%rbp),%xmm1
  comiss %xmm1,%xmm0
  jb     L74
  lea    D99(%rip),%rax
  mov    %rax,%rdi
  call   <printf@plt>
  jmp    L35
L74:
  movss  -0xc(%rbp),%xmm1
  movss  -0x1c(%rbp),%xmm0
  comiss %xmm1,%xmm0
  jbe    L83
  movss  -0xc(%rbp),%xmm0
  movss  -0x18(%rbp),%xmm1
  comiss %xmm1,%xmm0
  jb     L83
  lea    D49(%rip),%rax
  mov    %rax,%rdi
  call   <printf@plt>
  jmp    L35
L83:
  movss  -0xc(%rbp),%xmm1
  movss  -0x18(%rbp),%xmm0
  comiss %xmm1,%xmm0
  jbe    L49
  movss  -0xc(%rbp),%xmm0
  movss  -0x14(%rbp),%xmm1
  comiss %xmm1,%xmm0
  jb     L49
  lea    D40(%rip),%rax
  mov    %rax,%rdi
  call   <printf@plt>
  jmp    L35
L49:
  movss  -0xc(%rbp),%xmm1
  movss  -0x14(%rbp),%xmm0
  comiss %xmm1,%xmm0
  jbe    L45
  movss  -0xc(%rbp),%xmm0
  movss  -0x10(%rbp),%xmm1
  comiss %xmm1,%xmm0
  jb     L45
  lea    D38(%rip),%rax
  mov    %rax,%rdi
  call   <printf@plt>
  jmp    L35
L45:
  lea    D89(%rip),%rax
  mov    %rax,%rdi
  call   <printf@plt>
L35:
  mov    $0x0,%eax
  mov    -0x8(%rbp),%rdx
  sub    %fs:0x28,%rdx
  je     L107
  call   <__stack_chk_fail@plt>
L107:
  leave
  ret
```

tool_calls: name: read_data
arguments: label: D95
data_type: string
name: read_data
arguments: label: D63
data_type: string
name: read_data
arguments: label: D2
data_type: string
name: read_data
arguments: label: D56
data_type: string
name: read_data
arguments: label: D1
data_type: string
name: read_data
arguments: label: D99
data_type: string
name: read_data
arguments: label: D49
data_type: string
name: read_data
arguments: label: D40
data_type: string
name: read_data
arguments: label: D38
data_type: string
name: read_data
arguments: label: D89
data_type: string

tool: D95: Enter threshold for A, B, C, D


tool: D63: in this order, decreasing persentages > 

tool: D2: %f%f%f%f

tool: D56: Thank you. Now enter student score (percent) > 

tool: D1: %f

tool: D99: Student has an A grade


tool: D49: Student has a B grade


tool: D40: Student has a C grade


tool: D38: Student has a D grade


tool: D89: Student has failed the course


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