user: 请从给定的汇编指令推导出C源代码:

```asm
<main>:
  endbr64
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x70,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x68(%rsp)
  xor    %eax,%eax
  mov    %rsp,%rsi
  lea    D177(%rip),%rdi
  call   <scanf@plt>
  movzbl (%rsp),%eax
  test   %al,%al
  je     L69
  lea    0x1(%rsp),%rbx
  lea    D75(%rip),%rbp
  lea    D11(%rip),%r14
  lea    D67(%rip),%r13
  lea    D145(%rip),%r12
  jmp    L173
  lea    D6(%rip),%rdi
  call   <printf@plt>
L102:
  add    $0x1,%rbx
  movzbl -0x1(%rbx),%eax
  test   %al,%al
  je     L69
L173:
  sub    $0x30,%eax
  cmp    $0x36,%al
  ja     L102
  movzbl %al,%eax
  movslq 0x0(%rbp,%rax,4),%rax
  add    %rbp,%rax
  notrack jmp *%rax
  lea    D168(%rip),%rdi
  call   <printf@plt>
  jmp    L102
  lea    D29(%rip),%rdi
  call   <printf@plt>
  jmp    L102
  lea    D126(%rip),%rdi
  call   <printf@plt>
  jmp    L102
  lea    D129(%rip),%rdi
  call   <printf@plt>
  jmp    L102
  lea    D22(%rip),%rdi
  call   <printf@plt>
  jmp    L102
  lea    D40(%rip),%rdi
  call   <printf@plt>
  jmp    L102
  lea    D106(%rip),%rdi
  call   <printf@plt>
  jmp    L102
  lea    D146(%rip),%rdi
  call   <printf@plt>
  jmp    L102
  lea    D139(%rip),%rdi
  call   <printf@plt>
  jmp    L102
  lea    D17(%rip),%rdi
  call   <printf@plt>
  jmp    L102
  lea    D107(%rip),%rdi
  call   <printf@plt>
  jmp    L102
  lea    D57(%rip),%rdi
  call   <printf@plt>
  jmp    L102
  mov    %r12,%rdi
  call   <printf@plt>
  jmp    L102
  mov    %r13,%rdi
  call   <printf@plt>
  jmp    L102
  mov    %r14,%rdi
  call   <printf@plt>
  jmp    L102
L69:
  mov    0x68(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L187
  mov    $0x0,%eax
  add    $0x70,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  ret
L187:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: disassemble_data
arguments: label: D177
datatype: string
name: disassemble_data
arguments: label: D11
datatype: string
name: disassemble_data
arguments: label: D67
datatype: string
name: disassemble_data
arguments: label: D145
datatype: string
name: disassemble_data
arguments: label: D6
datatype: string
name: disassemble_data
arguments: label: D168
datatype: string
name: disassemble_data
arguments: label: D29
datatype: string
name: disassemble_data
arguments: label: D126
datatype: string
name: disassemble_data
arguments: label: D129
datatype: string
name: disassemble_data
arguments: label: D22
datatype: string
name: disassemble_data
arguments: label: D40
datatype: string
name: disassemble_data
arguments: label: D106
datatype: string
name: disassemble_data
arguments: label: D146
datatype: string
name: disassemble_data
arguments: label: D139
datatype: string
name: disassemble_data
arguments: label: D17
datatype: string
name: disassemble_data
arguments: label: D107
datatype: string
name: disassemble_data
arguments: label: D57
datatype: string

tool: D177: %s

tool: D11: 1111

tool: D67: 1110

tool: D145: 1101

tool: D6: 0000

tool: D168: 0001

tool: D29: 0010

tool: D126: 0011

tool: D129: 0100

tool: D22: 0101

tool: D40: 0110

tool: D106: 0111

tool: D146: 1000

tool: D139: 1001

tool: D17: 1010

tool: D107: 1011

tool: D57: 1100

assistant: ```c
int main() {
  char hexa[100];
  scanf("%s", &hexa);
  int i = 0;
  while (hexa[i]) {
    switch (hexa[i]) {
    case '0':
      printf("0000");
      break;
    case '1':
      printf("0001");
      break;
    case '2':
      printf("0010");
      break;
    case '3':
      printf("0011");
      break;
    case '4':
      printf("0100");
      break;
    case '5':
      printf("0101");
      break;
    case '6':
      printf("0110");
      break;
    case '7':
      printf("0111");
      break;
    case '8':
      printf("1000");
      break;
    case '9':
      printf("1001");
      break;
    case 'A':
    case 'a':
      printf("1010");
      break;
    case 'B':
    case 'b':
      printf("1011");
      break;
    case 'C':
    case 'c':
      printf("1100");
      break;
    case 'D':
    case 'd':
      printf("1101");
      break;
    case 'E':
    case 'e':
      printf("1110");
      break;
    case 'F':
    case 'f':
      printf("1111");
      break;
    }
    i++;
  }
  return 0;
}
```