user: Please show me the C implementation that matches the assembly code listed below:

```asm
<main>:
  endbr64
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x8,%rsp
  mov    $0x0,%r12d
  mov    %r12d,%edi
  call   <mpz_init@plt>
  mov    $0x0,%ebx
  mov    %ebx,%edi
  call   <mpz_init@plt>
  mov    $0x0,%ebp
  mov    %ebp,%edi
  call   <mpz_init@plt>
  mov    $0xc,%edx
  mov    %r12d,%esi
  mov    %ebx,%edi
  call   <mpz_fib2_ui@plt>
  mov    $0xd,%r13d
  jmp    L64
L3:
  mov    %r13d,%esi
  lea    D1(%rip),%rdi
  call   <printf@plt>
L45:
  mov    %rbx,%rdi
  call   <free@plt>
  mov    $0x0,%eax
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
L23:
  mov    %rbx,%rdi
  call   <free@plt>
L26:
  mov    $0x0,%r12d
  mov    %r12d,%edx
  mov    $0x0,%ebp
  mov    %ebp,%esi
  mov    $0x0,%ebx
  mov    %ebx,%edi
  call   <mpz_add@plt>
  mov    $0xa,%esi
  mov    %ebx,%edi
  call   <mpz_sizeinbase@plt>
  cmp    $0x3e7,%eax
  jg     L43
L87:
  add    $0x3,%r13d
L64:
  mov    $0x0,%ebx
  mov    %ebx,%edx
  mov    $0x0,%r12d
  mov    %r12d,%esi
  mov    $0x0,%ebp
  mov    %ebp,%edi
  call   <mpz_add@plt>
  mov    $0xa,%esi
  mov    %ebp,%edi
  call   <mpz_sizeinbase@plt>
  cmp    $0x3e7,%eax
  jle    L1
  mov    %ebp,%edx
  mov    $0xa,%esi
  mov    $0x0,%edi
  call   <mpz_get_str@plt>
  mov    %rax,%rbx
  mov    %rax,%rdi
  call   <strlen@plt>
  cmp    $0x3e8,%eax
  je     L3
  mov    %rbx,%rdi
  call   <free@plt>
L1:
  mov    $0x0,%ebp
  mov    %ebp,%edx
  mov    $0x0,%ebx
  mov    %ebx,%esi
  mov    $0x0,%r12d
  mov    %r12d,%edi
  call   <mpz_add@plt>
  mov    $0xa,%esi
  mov    %r12d,%edi
  call   <mpz_sizeinbase@plt>
  cmp    $0x3e7,%eax
  jle    L26
  mov    %ebx,%edx
  mov    $0xa,%esi
  mov    $0x0,%edi
  call   <mpz_get_str@plt>
  mov    %rax,%rbx
  mov    %rax,%rdi
  call   <strlen@plt>
  cmp    $0x3e8,%eax
  jne    L23
  lea    0x1(%r13),%esi
  lea    D1(%rip),%rdi
  call   <printf@plt>
  jmp    L45
L43:
  mov    %ebx,%edx
  mov    $0xa,%esi
  mov    $0x0,%edi
  call   <mpz_get_str@plt>
  mov    %rax,%rbx
  mov    %rax,%rdi
  call   <strlen@plt>
  cmp    $0x3e8,%eax
  je     L19
  mov    %rbx,%rdi
  call   <free@plt>
  jmp    L87
L19:
  lea    0x2(%r13),%esi
  lea    D1(%rip),%rdi
  call   <printf@plt>
  jmp    L45
```

tool_calls: name: unpack_data
arguments: label: D1
type_infered: string

tool: D1: %d


assistant: ```c
int main(int argc, char **argv) {
  int n = 12;
  char *s = NULL;
  mpz_t f1, f2, f3;
  mpz_init(f1);
  mpz_init(f2);
  mpz_init(f3);
  mpz_fib2_ui(f2, f1, n++);
  while (1) {
    mpz_add(f3, f1, f2);
    if (mpz_sizeinbase(f3, 10) >= 1000) {
      s = mpz_get_str(NULL, 10, f3);
      if (strlen(s) == 1000) {
        printf("%d\n", n);
        break;
      }
      free(s);
    }
    mpz_add(f1, f2, f3);
    if (mpz_sizeinbase(f1, 10) >= 1000) {
      s = mpz_get_str(NULL, 10, f2);
      if (strlen(s) == 1000) {
        printf("%d\n", n + 1);
        break;
      }
      free(s);
    }
    mpz_add(f2, f3, f1);
    if (mpz_sizeinbase(f2, 10) >= 1000) {
      s = mpz_get_str(NULL, 10, f2);
      if (strlen(s) == 1000) {
        printf("%d\n", n + 2);
        break;
      }
      free(s);
    }
    n += 3;
  }
  free(s);
  return 0;
}
```