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

```asm
<main>:
  endbr64
  push   %r13
  lea    D3(%rip),%rdi
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0xc8,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0xb8(%rsp)
  xor    %eax,%eax
  lea    0xc(%rsp),%rsi
  call   <scanf@plt>
  mov    0xc(%rsp),%edi
  test   %edi,%edi
  je     L59
  add    $0x1,%edi
  call   <malloc@plt>
  mov    %rax,%rbp
  mov    0xc(%rsp),%eax
  lea    0x1(%rax),%edi
  call   <malloc@plt>
  mov    %rbp,%rsi
  lea    D17(%rip),%rdi
  mov    %rax,%rbx
  xor    %eax,%eax
  call   <scanf@plt>
  movslq 0xc(%rsp),%rdx
  xor    %eax,%eax
  test   %edx,%edx
  jle    L82
  nopw   0x0(%rax,%rax,1)
L74:
  sub    $0x1,%rdx
  sub    %rax,%rdx
  movzbl 0x0(%rbp,%rdx,1),%edx
  mov    %dl,(%rbx,%rax,1)
  movslq 0xc(%rsp),%rdx
  add    $0x1,%rax
  cmp    %eax,%edx
  jg     L74
L82:
  xor    %r13d,%r13d
  lea    0x10(%rsp),%r12
  cmp    $0x1,%edx
  jle    L105
  nopl   (%rax)
L114:
  movsbl 0x0(%rbp),%esi
  movsbl 0x1(%rbp),%edi
  add    $0x1,%rbp
  call   <mod_of_diff@plt>
  mov    %eax,(%r12,%r13,4)
  mov    0xc(%rsp),%eax
  add    $0x1,%r13
  lea    -0x1(%rax),%edx
  cmp    %r13d,%edx
  jg     L114
  test   %edx,%edx
  jle    L46
  xor    %ebp,%ebp
  lea    0x60(%rsp),%r13
  nopl   0x0(%rax)
L36:
  movsbl (%rbx),%esi
  movsbl 0x1(%rbx),%edi
  add    $0x1,%rbx
  call   <mod_of_diff@plt>
  mov    %eax,0x0(%r13,%rbp,4)
  mov    0xc(%rsp),%eax
  add    $0x1,%rbp
  lea    -0x1(%rax),%edx
  cmp    %ebp,%edx
  jg     L36
  test   %edx,%edx
  jle    L46
  movslq %edx,%rcx
  xor    %eax,%eax
  xor    %esi,%esi
  nopw   0x0(%rax,%rax,1)
L94:
  mov    0x0(%r13,%rax,4),%ebx
  cmp    %ebx,(%r12,%rax,4)
  jne    L108
  add    $0x1,%esi
L108:
  add    $0x1,%rax
  cmp    %rax,%rcx
  jne    L94
L52:
  cmp    %esi,%edx
  je     L59
  lea    D26(%rip),%rdi
  call   <printf@plt>
  jmp    L35
L59:
  lea    D27(%rip),%rdi
  call   <printf@plt>
L35:
  mov    0xb8(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L100
  add    $0xc8,%rsp
  xor    %eax,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
L105:
  sub    $0x1,%edx
L46:
  xor    %esi,%esi
  jmp    L52
L100:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: retrieve_data
arguments: tag: D3
type_infered: string
name: retrieve_data
arguments: tag: D17
type_infered: string
name: retrieve_data
arguments: tag: D26
type_infered: string
name: retrieve_data
arguments: tag: D27
type_infered: string

tool: D3: %d

tool: D17: 
%s

tool: D26: Not Good String

tool: D27: Good String

assistant: ```c
int main() {
  int n, a[20], b[20], i, count = 0;
  char *s1, *s2;
  scanf("%d", &n);
  if (n == 0) {
    printf("Good String");
    return 0;
  }
  s1 = (char *)malloc((n + 1) * sizeof(char));
  s2 = (char *)malloc((n + 1) * sizeof(char));
  scanf("\n%s", s1);
  for (i = 0; i < n; i++) {
    *(s2 + i) = *(s1 + n - 1 - i);
  }
  for (i = 0; i < n - 1; i++) {
    a[i] = mod_of_diff(*(s1 + i + 1), *(s1 + i));
  }
  for (i = 0; i < n - 1; i++) {
    b[i] = mod_of_diff(*(s2 + i + 1), *(s2 + i));
  }
  for (i = 0; i < n - 1; i++) {
    if (a[i] == b[i])
      count++;
  }
  if (count == n - 1)
    printf("Good String");
  else
    printf("Not Good String");
  return 0;
}
```