user: Converte this assembly snippet into its equivalent C code:

```asm
<main>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbx
  sub    $0x38,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,-0x38(%rbp)
  xor    %eax,%eax
  mov    %rsp,%rax
  mov    %rax,%rbx
  lea    -0x54(%rbp),%rax
  mov    %rax,%rsi
  lea    D4(%rip),%rax
  mov    %rax,%rdi
  call   <scanf@plt>
  mov    -0x54(%rbp),%eax
  movslq %eax,%rdx
  sub    $0x1,%rdx
  mov    %rdx,-0x48(%rbp)
  movslq %eax,%rdx
  mov    %rdx,%r14
  mov    $0x0,%r15d
  movslq %eax,%rdx
  mov    %rdx,%r12
  mov    $0x0,%r13d
  cltq
  lea    0x0(,%rax,4),%rdx
  mov    $0x10,%eax
  sub    $0x1,%rax
  add    %rdx,%rax
  mov    $0x10,%esi
  mov    $0x0,%edx
  div    %rsi
  imul   $0x10,%rax,%rax
  mov    %rax,%rcx
  and    $0xfffffffffffff000,%rcx
  mov    %rsp,%rdx
  sub    %rcx,%rdx
L36:
  cmp    %rdx,%rsp
  je     L129
  sub    $0x1000,%rsp
  orq    $0x0,0xff8(%rsp)
  jmp    L36
L129:
  mov    %rax,%rdx
  and    $0xfff,%edx
  sub    %rdx,%rsp
  mov    %rax,%rdx
  and    $0xfff,%edx
  test   %rdx,%rdx
  je     L12
  and    $0xfff,%eax
  sub    $0x8,%rax
  add    %rsp,%rax
  orq    $0x0,(%rax)
L12:
  mov    %rsp,%rax
  add    $0x3,%rax
  shr    $0x2,%rax
  shl    $0x2,%rax
  mov    %rax,-0x40(%rbp)
  movl   $0x0,-0x4c(%rbp)
  jmp    L81
L291:
  mov    -0x4c(%rbp),%eax
  cltq
  lea    0x0(,%rax,4),%rdx
  mov    -0x40(%rbp),%rax
  add    %rdx,%rax
  mov    %rax,%rsi
  lea    D4(%rip),%rax
  mov    %rax,%rdi
  call   <scanf@plt>
  addl   $0x1,-0x4c(%rbp)
L81:
  mov    -0x54(%rbp),%eax
  cmp    %eax,-0x4c(%rbp)
  jl     L291
  movl   $0x61,-0x4c(%rbp)
  jmp    L158
L249:
  movl   $0x0,-0x50(%rbp)
  jmp    L233
L208:
  mov    -0x40(%rbp),%rax
  mov    -0x50(%rbp),%edx
  movslq %edx,%rdx
  mov    (%rax,%rdx,4),%eax
  xor    -0x4c(%rbp),%eax
  mov    %eax,%edi
  call   <ck@plt>
  cmp    $0x1,%eax
  jne    L15
  addl   $0x3,-0x50(%rbp)
L233:
  mov    -0x54(%rbp),%eax
  cmp    %eax,-0x50(%rbp)
  jl     L208
  jmp    L120
L15:
  nop
L120:
  mov    -0x54(%rbp),%eax
  cmp    %eax,-0x50(%rbp)
  jge    L181
  addl   $0x1,-0x4c(%rbp)
L158:
  cmpl   $0x7a,-0x4c(%rbp)
  jle    L249
  jmp    L103
L181:
  nop
L103:
  mov    -0x4c(%rbp),%eax
  mov    %al,-0x57(%rbp)
  movl   $0x61,-0x4c(%rbp)
  jmp    L248
L210:
  movl   $0x1,-0x50(%rbp)
  jmp    L173
L276:
  mov    -0x40(%rbp),%rax
  mov    -0x50(%rbp),%edx
  movslq %edx,%rdx
  mov    (%rax,%rdx,4),%eax
  xor    -0x4c(%rbp),%eax
  mov    %eax,%edi
  call   <ck@plt>
  cmp    $0x1,%eax
  jne    L23
  addl   $0x3,-0x50(%rbp)
L173:
  mov    -0x54(%rbp),%eax
  cmp    %eax,-0x50(%rbp)
  jl     L276
  jmp    L264
L23:
  nop
L264:
  mov    -0x54(%rbp),%eax
  cmp    %eax,-0x50(%rbp)
  jge    L224
  addl   $0x1,-0x4c(%rbp)
L248:
  cmpl   $0x7a,-0x4c(%rbp)
  jle    L210
  jmp    L77
L224:
  nop
L77:
  mov    -0x4c(%rbp),%eax
  mov    %al,-0x56(%rbp)
  movl   $0x61,-0x4c(%rbp)
  jmp    L71
L11:
  movl   $0x2,-0x50(%rbp)
  jmp    L209
L17:
  mov    -0x40(%rbp),%rax
  mov    -0x50(%rbp),%edx
  movslq %edx,%rdx
  mov    (%rax,%rdx,4),%eax
  xor    -0x4c(%rbp),%eax
  mov    %eax,%edi
  call   <ck@plt>
  cmp    $0x1,%eax
  jne    L126
  addl   $0x3,-0x50(%rbp)
L209:
  mov    -0x54(%rbp),%eax
  cmp    %eax,-0x50(%rbp)
  jl     L17
  jmp    L101
L126:
  nop
L101:
  mov    -0x54(%rbp),%eax
  cmp    %eax,-0x50(%rbp)
  jge    L265
  addl   $0x1,-0x4c(%rbp)
L71:
  cmpl   $0x7a,-0x4c(%rbp)
  jle    L11
  jmp    L286
L265:
  nop
L286:
  mov    -0x4c(%rbp),%eax
  mov    %al,-0x55(%rbp)
  movsbl -0x55(%rbp),%ecx
  movsbl -0x56(%rbp),%edx
  movsbl -0x57(%rbp),%eax
  mov    %eax,%esi
  lea    D24(%rip),%rax
  mov    %rax,%rdi
  call   <printf@plt>
  mov    $0x0,%eax
  mov    %rbx,%rsp
  mov    -0x38(%rbp),%rdx
  sub    %fs:0x28,%rdx
  je     L88
  call   <__stack_chk_fail@plt>
L88:
  lea    -0x28(%rbp),%rsp
  pop    %rbx
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  pop    %rbp
  ret
```

tool_calls: name: unpack_data
arguments: label: D4
type: string
name: unpack_data
arguments: label: D24
type: string

tool: D4: %d

tool: D24: %c%c%c

assistant: ```c
int main() {
  int n, j, i;
  char a, b, c;
  scanf("%d", &n);
  int m[n];
  for (i = 0; i < n; i++)
    scanf("%d", &m[i]);
  for (i = 97; i <= 122; i++) {
    for (j = 0; j < n; j += 3)
      if (ck(m[j] ^ i) != 1)
        break;
    if (j >= n)
      break;
  }
  a = i;
  for (i = 97; i <= 122; i++) {
    for (j = 1; j < n; j += 3)
      if (ck(m[j] ^ i) != 1)
        break;
    if (j >= n)
      break;
  }
  b = i;
  for (i = 97; i <= 122; i++) {
    for (j = 2; j < n; j += 3)
      if (ck(m[j] ^ i) != 1)
        break;
    if (j >= n)
      break;
  }
  c = i;
  printf("%c%c%c", a, b, c);
  return 0;
}
```