user: 下面的汇编指令对应的C源代码是什么:

```asm
<main>:
  endbr64
  push   %r15
  lea    D17(%rip),%r15
  push   %r14
  lea    D29(%rip),%r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  lea    D2(%rip),%rbx
  sub    $0x28,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x18(%rsp)
  xor    %eax,%eax
  lea    0x14(%rsp),%r13
  lea    0x10(%rsp),%r12
  lea    0xc(%rsp),%rbp
  cs nopw 0x0(%rax,%rax,1)
L242:
  mov    %r13,%rcx
  mov    %r12,%rdx
  mov    %rbp,%rsi
  mov    %rbx,%rdi
  call   <scanf@plt>
  test   %rax,%rax
  je     L78
  mov    0xc(%rsp),%edx
  mov    0x10(%rsp),%eax
  mov    0x14(%rsp),%ecx
  mov    %edx,%edi
  or     %eax,%edi
  jne    L153
  test   %ecx,%ecx
  je     L78
L172:
  mov    %eax,0xc(%rsp)
  mov    %edx,0x10(%rsp)
L18:
  lea    (%rdx,%rax,1),%esi
  cmp    %ecx,%esi
  jle    L183
  lea    (%rax,%rcx,1),%esi
  cmp    %edx,%esi
  jle    L183
  lea    (%rdx,%rcx,1),%esi
  cmp    %eax,%esi
  jle    L183
  mov    %eax,%esi
  mov    %edx,%edi
  mov    %ecx,%r8d
  imul   %eax,%esi
  imul   %edx,%edi
  imul   %ecx,%r8d
  lea    (%rsi,%rdi,1),%r9d
  cmp    %r8d,%r9d
  je     L210
  lea    (%rdi,%r8,1),%r9d
  cmp    %r9d,%esi
  je     L210
  add    %r8d,%esi
  cmp    %esi,%edi
  je     L210
  cmp    %ecx,%edx
  sete   %sil
  cmp    %eax,%edx
  sete   %dl
  jne    L170
  test   %sil,%sil
  jne    L14
L170:
  cmp    %ecx,%eax
  je     L120
  or     %sil,%dl
  jne    L120
  lea    D39(%rip),%rdi
  call   <printf@plt>
  jmp    L242
L120:
  lea    D33(%rip),%rdi
  call   <printf@plt>
  jmp    L242
L183:
  mov    %r14,%rdi
  call   <printf@plt>
  jmp    L242
  nopl   (%rax)
L153:
  cmp    %eax,%edx
  jle    L172
  cmp    %ecx,%edx
  jg     L147
  mov    %eax,%edx
  mov    %ecx,0xc(%rsp)
  mov    %ecx,%eax
  jmp    L18
  nopl   0x0(%rax)
L147:
  cmp    %ecx,%eax
  jg     L159
  mov    %eax,%esi
  mov    %ecx,0x10(%rsp)
  mov    %eax,0x14(%rsp)
  mov    %edx,%eax
  mov    %ecx,%edx
  mov    %esi,%ecx
  jmp    L18
  nopl   0x0(%rax)
L159:
  mov    %eax,%esi
  mov    %edx,%eax
  mov    %esi,%edx
  jmp    L18
  nopl   0x0(%rax,%rax,1)
L210:
  mov    %r15,%rdi
  call   <printf@plt>
  jmp    L242
  nopl   (%rax)
L78:
  mov    0x18(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L141
  add    $0x28,%rsp
  xor    %eax,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L14:
  lea    D32(%rip),%rdi
  call   <printf@plt>
  jmp    L242
L141:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: extract_symbolic_data
arguments: tag: D17
type: string
name: extract_symbolic_data
arguments: tag: D29
type: string
name: extract_symbolic_data
arguments: tag: D2
type: string
name: extract_symbolic_data
arguments: tag: D39
type: string
name: extract_symbolic_data
arguments: tag: D33
type: string
name: extract_symbolic_data
arguments: tag: D32
type: string

tool: D17: a right triangle


tool: D29: not a triangle


tool: D2: %d%d%d

tool: D39: a triangle


tool: D33: a isosceles triangle


tool: D32: a equileteral triangle


assistant: ```c
int main() {
  int a, b, c, x, y;
  while (scanf("%d%d%d", &a, &b, &c)) {
    if (a == 0 && b == 0 && c == 0)
      break;
    else {
      if (a <= b)
        x = a, a = b, b = x;
      else if (a <= c)
        x = c, a = c, c = x;
      else if (b <= c)
        x = b, b = c, c = x;
      if (a + b <= c || a + c <= b || b + c <= a)
        printf("not a triangle\n");
      else if (a * a + b * b == c * c || b * b + c * c == a * a || a * a + c * c == b * b)
        printf("a right triangle\n");
      else if (a == b && b == c && c == a)
        printf("a equileteral triangle\n");
      else if (a == b || b == c || c == a)
        printf("a isosceles triangle\n");
      else
        printf("a triangle\n");
    }
  }
  return 0;
}
```