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

```asm
<main>:
  endbr64
  push   %r15
  lea    D0(%rip),%rdi
  push   %r14
  push   %r13
  lea    D12(%rip),%r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x138,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x128(%rsp)
  xor    %eax,%eax
  lea    0x110(%rsp),%r15
  mov    %r15,%rsi
  call   <scanf@plt>
  lea    0x3c(%rsp),%rsi
  mov    %r13,%rdi
  xor    %eax,%eax
  call   <scanf@plt>
  mov    %r15,%rdi
  call   <strlen@plt>
  lea    -0x1(%rax),%esi
  test   %esi,%esi
  jle    L490
  movslq %esi,%rdx
  nopl   0x0(%rax,%rax,1)
L368:
  movzbl (%r15,%rdx,1),%ecx
  mov    %cl,(%r15,%rdx,2)
  sub    $0x1,%rdx
  test   %edx,%edx
  jg     L368
  mov    $0x1,%edx
  xor    %ecx,%ecx
  nopl   0x0(%rax,%rax,1)
L36:
  add    $0x1,%ecx
  add    %edx,%edx
  cmp    %ecx,%esi
  jne    L36
  lea    (%rax,%rax,1),%r12d
  lea    -0x1(%r12),%r14d
  lea    -0x2(%r12),%ecx
  cmp    $0x3,%r12d
  jle    L487
L48:
  mov    $0x1,%eax
  cs nopw 0x0(%rax,%rax,1)
L426:
  movb   $0x2b,(%r15,%rax,1)
  add    $0x2,%rax
  cmp    %eax,%ecx
  jg     L426
  test   %r14d,%r14d
  jle    L69
L138:
  mov    %r15,%rax
  xor    %ecx,%ecx
  nopw   0x0(%rax,%rax,1)
L80:
  add    $0x2,%ecx
  subb   $0x30,(%rax)
  add    $0x2,%rax
  cmp    %ecx,%r14d
  jg     L80
L69:
  cmp    $0x1,%edx
  je     L183
L26:
  lea    -0x2(%r14),%eax
  lea    -0x3(%r12),%ecx
  mov    %r14d,%edi
  xor    %r8d,%r8d
  shr    %eax
  movslq %ecx,%rcx
  lea    -0x5(%r12),%r9d
  mov    %edx,%r14d
  mov    $0x1,%ebx
  movslq %r9d,%r9
  lea    -0x7(%r12),%r10d
  mov    %edi,%edx
  lea    0x113(%rsp,%rax,2),%rbp
  lea    0x40(%rsp),%rax
  mov    %rax,0x28(%rsp)
  mov    %rcx,%rax
  mov    %r15,%rcx
  mov    %rax,%r15
  xchg   %ax,%ax
L498:
  movsbl 0x110(%rsp),%eax
  cmp    $0x1,%edx
  jle    L321
  lea    0x111(%rsp),%rsi
  nopl   (%rax)
L129:
  movsbl 0x1(%rsi),%edi
  lea    (%rax,%rdi,1),%r11d
  sub    %edi,%eax
  cmpb   $0x2b,(%rsi)
  cmove  %r11d,%eax
  add    $0x2,%rsi
  cmp    %rsi,%rbp
  jne    L129
L321:
  cmp    %eax,0x3c(%rsp)
  je     L169
L172:
  cmpb   $0x2b,0x110(%rsp,%r15,1)
  sete   %al
  lea    0x2b(%rax,%rax,1),%eax
  mov    %al,0x110(%rsp,%r15,1)
  test   $0x1,%bl
  jne    L453
  cmpb   $0x2b,0x110(%rsp,%r9,1)
  je     L135
  movb   $0x2b,0x110(%rsp,%r9,1)
L453:
  test   $0x3,%bl
  jne    L31
  movslq %r10d,%rax
  cmpb   $0x2b,0x110(%rsp,%rax,1)
  je     L224
  movb   $0x2b,0x110(%rsp,%rax,1)
L31:
  test   $0x7,%bl
  jne    L420
  lea    -0x9(%r12),%eax
  cltq
  cmpb   $0x2b,0x110(%rsp,%rax,1)
  je     L166
  movb   $0x2b,0x110(%rsp,%rax,1)
L420:
  test   $0xf,%bl
  jne    L294
  lea    -0xb(%r12),%eax
  cltq
  cmpb   $0x2b,0x110(%rsp,%rax,1)
  je     L195
  movb   $0x2b,0x110(%rsp,%rax,1)
L294:
  test   $0x1f,%bl
  jne    L375
  lea    -0xd(%r12),%eax
  cltq
  cmpb   $0x2b,0x110(%rsp,%rax,1)
  je     L342
  movb   $0x2b,0x110(%rsp,%rax,1)
L375:
  test   $0x3f,%bl
  jne    L257
  lea    -0xf(%r12),%eax
  cltq
  cmpb   $0x2b,0x110(%rsp,%rax,1)
  je     L221
  movb   $0x2b,0x110(%rsp,%rax,1)
L257:
  test   $0x7f,%bl
  jne    L499
  lea    -0x11(%r12),%eax
  cltq
  cmpb   $0x2b,0x110(%rsp,%rax,1)
  je     L170
  movb   $0x2b,0x110(%rsp,%rax,1)
L499:
  test   %bl,%bl
  jne    L100
  lea    -0x13(%r12),%eax
  cltq
  cmpb   $0x2b,0x110(%rsp,%rax,1)
  je     L45
  movb   $0x2b,0x110(%rsp,%rax,1)
L100:
  add    $0x1,%ebx
  cmp    %r14d,%ebx
  jl     L498
  mov    %edx,%r14d
  test   %r8d,%r8d
  je     L183
  lea    -0x1(%r8),%eax
  lea    D35(%rip),%r15
  movslq %eax,%rdx
  mov    %eax,%eax
  lea    -0x1(%r14),%ebp
  lea    (%rdx,%rdx,4),%rdx
  lea    (%rax,%rax,4),%rax
  shl    $0x2,%rdx
  shl    $0x2,%rax
  lea    0x2c(%rsp,%rdx,1),%r12
  lea    0x40(%rsp,%rdx,1),%rbx
  sub    %rax,%r12
  mov    %r12,0x8(%rsp)
  nopl   0x0(%rax,%rax,1)
L429:
  xor    %r12d,%r12d
  test   %r14d,%r14d
  jg     L289
  jmp    L473
  nopw   0x0(%rax,%rax,1)
L18:
  mov    %esi,%edi
  call   <putchar@plt>
  lea    0x1(%r12),%rax
  cmp    %r12,%rbp
  je     L473
L446:
  mov    %rax,%r12
L289:
  movsbl (%rbx,%r12,1),%esi
  test   $0x1,%r12b
  jne    L18
  mov    %r13,%rdi
  xor    %eax,%eax
  call   <printf@plt>
  lea    0x1(%r12),%rax
  cmp    %r12,%rbp
  jne    L446
L473:
  mov    0x3c(%rsp),%esi
  mov    %r15,%rdi
  xor    %eax,%eax
  sub    $0x14,%rbx
  call   <printf@plt>
  cmp    %rbx,0x8(%rsp)
  jne    L429
L273:
  mov    0x128(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L38
  add    $0x138,%rsp
  xor    %eax,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
  nopw   0x0(%rax,%rax,1)
L169:
  movslq %r8d,%rax
  mov    %edx,0x20(%rsp)
  mov    0x28(%rsp),%rdx
  mov    %rcx,%rsi
  lea    (%rax,%rax,4),%rax
  mov    %r10d,0x24(%rsp)
  lea    (%rdx,%rax,4),%rdi
  mov    %r9,0x18(%rsp)
  mov    %r8d,0x14(%rsp)
  mov    %rcx,0x8(%rsp)
  call   <strcpy@plt>
  mov    0x14(%rsp),%r8d
  mov    0x24(%rsp),%r10d
  mov    0x18(%rsp),%r9
  mov    0x20(%rsp),%edx
  mov    0x8(%rsp),%rcx
  add    $0x1,%r8d
  jmp    L172
  nopl   0x0(%rax)
L45:
  movb   $0x2d,0x110(%rsp,%rax,1)
  jmp    L100
  nopl   (%rax)
L135:
  movb   $0x2d,0x110(%rsp,%r9,1)
  jmp    L453
  cs nopw 0x0(%rax,%rax,1)
L224:
  movb   $0x2d,0x110(%rsp,%rax,1)
  jmp    L31
  nopl   (%rax)
L166:
  movb   $0x2d,0x110(%rsp,%rax,1)
  jmp    L420
  nopl   (%rax)
L195:
  movb   $0x2d,0x110(%rsp,%rax,1)
  jmp    L294
  nopl   (%rax)
L342:
  movb   $0x2d,0x110(%rsp,%rax,1)
  jmp    L375
  nopl   (%rax)
L221:
  movb   $0x2d,0x110(%rsp,%rax,1)
  jmp    L257
  nopl   (%rax)
L170:
  movb   $0x2d,0x110(%rsp,%rax,1)
  jmp    L499
L490:
  lea    (%rax,%rax,1),%r12d
  mov    $0x1,%edx
  lea    -0x1(%r12),%r14d
  lea    -0x2(%r12),%ecx
  cmp    $0x3,%r12d
  jg     L48
  test   %r14d,%r14d
  jg     L138
L183:
  lea    D18(%rip),%rdi
  xor    %eax,%eax
  call   <printf@plt>
  jmp    L273
L487:
  test   %r14d,%r14d
  jg     L138
  jmp    L26
L38:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: disassemble_data
arguments: data_label: D0
datatype: string
name: disassemble_data
arguments: data_label: D12
datatype: string
name: disassemble_data
arguments: data_label: D35
datatype: string
name: disassemble_data
arguments: data_label: D18
datatype: string

tool: D0: %s

tool: D12: %d

tool: D35: =%d


tool: D18: -1

assistant: ```c
int main() {
  char string[20], string1[10][20];
  int k = 0, y = 0, z = 0, sum = 0, a, l, s = 1;
  scanf("%s", string);
  scanf("%d", &a);
  l = strlen(string);
  for (k = l - 1; k > 0; k--)
    string[k + k] = string[k];
  for (k = 0; k < l - 1; k++)
    s = s * 2;
  l = l + l - 1;
  for (k = 1; k < l - 1; k = k + 2)
    string[k] = '+';
  for (k = 0; k < l; k = k + 2)
    string[k] = string[k] - '0';
  for (k = 1, z = 0; k < s; k++) {
    sum = string[0];
    for (y = 1; y < l; y = y + 2)
      if (string[y] == '+')
        sum = sum + string[y + 1];
      else
        sum = sum - string[y + 1];
    if (sum == a) {
      strcpy(string1[z], string);
      z++;
    }
    if (string[l - 2] == '+')
      string[l - 2] = '-';
    else
      string[l - 2] = '+';
    if (k % 2 == 0) {
      if (string[l - 4] == '+')
        string[l - 4] = '-';
      else
        string[l - 4] = '+';
    }
    if (k % 4 == 0) {
      if (string[l - 6] == '+')
        string[l - 6] = '-';
      else
        string[l - 6] = '+';
    }
    if (k % 8 == 0) {
      if (string[l - 8] == '+')
        string[l - 8] = '-';
      else
        string[l - 8] = '+';
    }
    if (k % 16 == 0) {
      if (string[l - 10] == '+')
        string[l - 10] = '-';
      else
        string[l - 10] = '+';
    }
    if (k % 32 == 0) {
      if (string[l - 12] == '+')
        string[l - 12] = '-';
      else
        string[l - 12] = '+';
    }
    if (k % 64 == 0) {
      if (string[l - 14] == '+')
        string[l - 14] = '-';
      else
        string[l - 14] = '+';
    }
    if (k % 128 == 0) {
      if (string[l - 16] == '+')
        string[l - 16] = '-';
      else
        string[l - 16] = '+';
    }
    if (k % 256 == 0) {
      if (string[l - 18] == '+')
        string[l - 18] = '-';
      else
        string[l - 18] = '+';
    }
  }
  if (z == 0)
    printf("-1");
  for (k = z - 1; k >= 0; k--) {
    for (y = 0; y < l; y++)
      if (y % 2 != 0)
        printf("%c", string1[k][y]);
      else
        printf("%d", string1[k][y]);
    printf("=%d\n", a);
  }
  return 0;
}
```