user: What would the C source look like for the assembly code provided here?

```asm
<main>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x1000,%rsp
  orq    $0x0,(%rsp)
  sub    $0x38,%rsp
  mov    $0x200,%ecx
  mov    %fs:0x28,%rax
  mov    %rax,0x1028(%rsp)
  xor    %eax,%eax
  lea    0x20(%rsp),%rdi
  lea    0x1c(%rsp),%rsi
  mov    %rdi,0x8(%rsp)
  rep stos %rax,%es:(%rdi)
  lea    D16(%rip),%rdi
  call   <scanf@plt>
  mov    D9(%rip),%rax
  mov    0x1c(%rsp),%ebx
  mov    %rax,0xa4(%rsp)
  cmp    $0x1,%ebx
  jle    L29
  lea    -0x1(%rbx),%r12d
  lea    -0x2(%rbx),%r14d
  mov    $0x2,%r8d
  mov    %r12d,%ebp
  mov    %r12d,%r10d
  lea    0xa0(%rsp),%rsi
  and    $0xfffffffc,%ebp
  lea    0x1(%rbx),%r13d
  shr    $0x2,%r10d
  lea    0x2(%rbp),%r15d
  nopl   0x0(%rax,%rax,1)
L48:
  mov    (%rsi),%edx
  movslq %r8d,%rcx
  lea    -0x1(%r8),%eax
  movl   $0x0,0x80(%rsi)
  mov    %edx,0x84(%rsi)
  cmp    $0x2,%r14d
  jbe    L153
  movdqu 0x4(%rsi),%xmm0
  paddd  (%rsi),%xmm0
  movups %xmm0,0x88(%rsi)
  cmp    $0x1,%r10d
  jbe    L134
  movdqu 0x14(%rsi),%xmm0
  paddd  0x10(%rsi),%xmm0
  movups %xmm0,0x98(%rsi)
  cmp    $0x2,%r10d
  je     L134
  movdqu 0x24(%rsi),%xmm0
  paddd  0x20(%rsi),%xmm0
  movups %xmm0,0xa8(%rsi)
  cmp    $0x3,%r10d
  je     L134
  movdqu 0x34(%rsi),%xmm0
  paddd  0x30(%rsi),%xmm0
  movups %xmm0,0xb8(%rsi)
  cmp    $0x4,%r10d
  je     L134
  movdqu 0x44(%rsi),%xmm0
  paddd  0x40(%rsi),%xmm0
  movups %xmm0,0xc8(%rsi)
  cmp    $0x5,%r10d
  je     L134
  movdqu 0x54(%rsi),%xmm0
  paddd  0x50(%rsi),%xmm0
  movups %xmm0,0xd8(%rsi)
  cmp    $0x6,%r10d
  je     L134
  movdqu 0x64(%rsi),%xmm0
  paddd  0x60(%rsi),%xmm0
  movups %xmm0,0xe8(%rsi)
L134:
  cmp    %ebp,%r12d
  je     L168
  mov    %ebp,%r11d
  mov    %r15d,%edx
L152:
  mov    %ebx,%edi
  sub    %r11d,%edi
  lea    -0x1(%rdi),%r9d
  cmp    $0x2,%edi
  je     L141
  mov    %r8,%rdi
  shl    $0x5,%rdi
  add    %r11,%rdi
  shl    $0x2,%rdi
  movq   -0x5c(%rsp,%rdi,1),%xmm0
  movq   -0x60(%rsp,%rdi,1),%xmm1
  paddd  %xmm1,%xmm0
  movq   %xmm0,0x28(%rsp,%rdi,1)
  mov    %r9d,%edi
  and    $0xfffffffe,%edi
  add    %edi,%edx
  cmp    %edi,%r9d
  je     L168
L141:
  movslq %edx,%rdi
  shl    $0x5,%rcx
  cltq
  add    %rdi,%rcx
  lea    -0x1(%rdx),%edi
  sub    $0x2,%edx
  shl    $0x5,%rax
  movslq %edi,%rdi
  movslq %edx,%rdx
  add    %rax,%rdi
  add    %rdx,%rax
  mov    0x20(%rsp,%rax,4),%eax
  add    0x20(%rsp,%rdi,4),%eax
  mov    %eax,0x20(%rsp,%rcx,4)
L168:
  add    $0x1,%r8
  sub    $0xffffffffffffff80,%rsi
  cmp    %r13,%r8
  jne    L48
L11:
  mov    0x8(%rsp),%rsi
  movslq %ebx,%rax
  lea    (%rsi,%rax,4),%rdx
  xor    %esi,%esi
  xor    %eax,%eax
  nopw   0x0(%rax,%rax,1)
L130:
  add    $0x1,%eax
  add    (%rdx),%esi
  sub    $0xffffffffffffff80,%rdx
  cmp    %ebx,%eax
  jle    L130
L149:
  lea    D0(%rip),%rdi
  call   <printf@plt>
  mov    0x1028(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L127
  add    $0x1038,%rsp
  xor    %eax,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L153:
  xor    %r11d,%r11d
  mov    $0x2,%edx
  jmp    L152
L29:
  test   %ebx,%ebx
  jns    L11
  xor    %esi,%esi
  jmp    L149
L127:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: extract_symbolic_data
arguments: tag: D16
datatype: string
name: extract_symbolic_data
arguments: tag: D9
datatype: byte[8]
name: extract_symbolic_data
arguments: tag: D0
datatype: string

tool: D16: %d

tool: {"D9": [0x01,0x00,0x00,0x00,0x01,0x00,0x00,0x00]}

tool: D0: %d


assistant: ```c
int main() {
  int n;
  int i, j, f[32][32] = {{0}};
  scanf("%d", &n);
  f[1][1] = f[1][2] = 1;
  for (i = 2; i <= n; ++i) {
    f[i][0] = 0;
    f[i][1] = f[i - 1][0];
    for (j = 2; j <= n; ++j)
      f[i][j] = f[i - 1][j - 1] + f[i - 1][j - 2];
  }
  int ans = 0;
  for (i = 0; i <= n; ++i)
    ans += f[i][n];
  printf("%d\n", ans);
  return 0;
}
```