user: 请从给定的汇编指令推导出C源代码：

```asm
<main>:
  endbr64
  push   %r12
  xor    %r12d,%r12d
  push   %rbx
  mov    %r12d,%edi
  sub    $0x8,%rsp
  call   <mpz_init@plt>
  mov    $0x3e8,%edx
  mov    $0x2,%esi
  mov    %r12d,%edi
  call   <mpz_ui_pow_ui@plt>
  xor    %edi,%edi
  mov    %r12d,%edx
  mov    $0xa,%esi
  call   <mpz_get_str@plt>
  mov    %rax,%rdi
  mov    %rax,%rbx
  call   <strlen@plt>
  test   %rax,%rax
  je     L143
  mov    %rax,%rdx
  lea    -0x1(%rax),%rax
  cmp    $0xe,%rax
  jbe    L129
  mov    %rdx,%rcx
  pxor   %xmm2,%xmm2
  pxor   %xmm5,%xmm5
  mov    %rbx,%rax
  and    $0xfffffffffffffff0,%rcx
  movdqa D13(%rip),%xmm6
  pxor   %xmm4,%xmm4
  add    %rbx,%rcx
  nopl   (%rax)
L2:
  movdqu (%rax),%xmm0
  movdqa %xmm5,%xmm3
  paddd  %xmm6,%xmm2
  add    $0x10,%rax
  pcmpgtb %xmm0,%xmm3
  movdqa %xmm0,%xmm1
  punpcklbw %xmm3,%xmm1
  punpckhbw %xmm3,%xmm0
  movdqa %xmm4,%xmm3
  pcmpgtw %xmm1,%xmm3
  movdqa %xmm1,%xmm7
  punpcklwd %xmm3,%xmm7
  punpckhwd %xmm3,%xmm1
  movdqa %xmm4,%xmm3
  pcmpgtw %xmm0,%xmm3
  paddd  %xmm7,%xmm1
  movdqa %xmm0,%xmm7
  punpcklwd %xmm3,%xmm7
  punpckhwd %xmm3,%xmm0
  paddd  %xmm7,%xmm0
  paddd  %xmm0,%xmm1
  paddd  %xmm1,%xmm2
  cmp    %rcx,%rax
  jne    L2
  movdqa %xmm2,%xmm0
  mov    %rdx,%rcx
  psrldq $0x8,%xmm0
  and    $0xfffffffffffffff0,%rcx
  paddd  %xmm0,%xmm2
  mov    %ecx,%eax
  movdqa %xmm2,%xmm0
  psrldq $0x4,%xmm0
  paddd  %xmm0,%xmm2
  movd   %xmm2,%esi
  cmp    %rcx,%rdx
  je     L110
L0:
  movsbl (%rbx,%rcx,1),%ecx
  lea    -0x30(%rsi,%rcx,1),%esi
  lea    0x1(%rax),%ecx
  movslq %ecx,%rcx
  cmp    %rdx,%rcx
  jae    L110
  movsbl (%rbx,%rcx,1),%ecx
  lea    -0x30(%rsi,%rcx,1),%esi
  lea    0x2(%rax),%ecx
  movslq %ecx,%rcx
  cmp    %rcx,%rdx
  jbe    L110
  movsbl (%rbx,%rcx,1),%ecx
  lea    -0x30(%rsi,%rcx,1),%esi
  lea    0x3(%rax),%ecx
  movslq %ecx,%rcx
  cmp    %rcx,%rdx
  jbe    L110
  movsbl (%rbx,%rcx,1),%ecx
  lea    -0x30(%rsi,%rcx,1),%esi
  lea    0x4(%rax),%ecx
  movslq %ecx,%rcx
  cmp    %rcx,%rdx
  jbe    L110
  movsbl (%rbx,%rcx,1),%ecx
  lea    -0x30(%rsi,%rcx,1),%esi
  lea    0x5(%rax),%ecx
  movslq %ecx,%rcx
  cmp    %rcx,%rdx
  jbe    L110
  movsbl (%rbx,%rcx,1),%ecx
  lea    -0x30(%rsi,%rcx,1),%esi
  lea    0x6(%rax),%ecx
  movslq %ecx,%rcx
  cmp    %rcx,%rdx
  jbe    L110
  movsbl (%rbx,%rcx,1),%ecx
  lea    -0x30(%rsi,%rcx,1),%esi
  lea    0x7(%rax),%ecx
  movslq %ecx,%rcx
  cmp    %rcx,%rdx
  jbe    L110
  movsbl (%rbx,%rcx,1),%ecx
  lea    -0x30(%rsi,%rcx,1),%esi
  lea    0x8(%rax),%ecx
  movslq %ecx,%rcx
  cmp    %rcx,%rdx
  jbe    L110
  movsbl (%rbx,%rcx,1),%ecx
  lea    -0x30(%rsi,%rcx,1),%esi
  lea    0x9(%rax),%ecx
  movslq %ecx,%rcx
  cmp    %rcx,%rdx
  jbe    L110
  movsbl (%rbx,%rcx,1),%ecx
  lea    -0x30(%rsi,%rcx,1),%esi
  lea    0xa(%rax),%ecx
  movslq %ecx,%rcx
  cmp    %rcx,%rdx
  jbe    L110
  movsbl (%rbx,%rcx,1),%ecx
  lea    -0x30(%rsi,%rcx,1),%esi
  lea    0xb(%rax),%ecx
  movslq %ecx,%rcx
  cmp    %rcx,%rdx
  jbe    L110
  movsbl (%rbx,%rcx,1),%ecx
  lea    -0x30(%rsi,%rcx,1),%esi
  lea    0xc(%rax),%ecx
  movslq %ecx,%rcx
  cmp    %rcx,%rdx
  jbe    L110
  movsbl (%rbx,%rcx,1),%ecx
  lea    -0x30(%rsi,%rcx,1),%esi
  lea    0xd(%rax),%ecx
  movslq %ecx,%rcx
  cmp    %rcx,%rdx
  jbe    L110
  movsbl (%rbx,%rcx,1),%ecx
  add    $0xe,%eax
  cltq
  lea    -0x30(%rsi,%rcx,1),%esi
  cmp    %rax,%rdx
  jbe    L110
  movsbl (%rbx,%rax,1),%eax
  lea    -0x30(%rsi,%rax,1),%esi
L110:
  lea    D1(%rip),%rdi
  call   <printf@plt>
  add    $0x8,%rsp
  xor    %eax,%eax
  pop    %rbx
  pop    %r12
  ret
L143:
  xor    %esi,%esi
  jmp    L110
L129:
  xor    %eax,%eax
  xor    %esi,%esi
  xor    %ecx,%ecx
  jmp    L0
```

tool_calls: name: disassemble_data
arguments: data_label: D13
type_guessed: byte[16]
name: disassemble_data
arguments: data_label: D1
type_guessed: string

tool: {"D13": [0x40,0xff,0xff,0xff,0x40,0xff,0xff,0xff,0x40,0xff,0xff,0xff,0x40,0xff,0xff,0xff]}

tool: D1: %u

assistant: ```c
int main(int argc, char *argv[]) {
  mpz_t result;
  mpz_init(result);
  mpz_ui_pow_ui(result, 2, 1000);
  char *result_str = mpz_get_str(NULL, 10, result);
  size_t len = strlen(result_str);
  unsigned int sum = 0;
  for (int i = 0; i < len; i++) {
    sum += result_str[i] - 48;
  }
  printf("%u", sum);
  return 0;
}
```