user: What is the c source code of the assembly code below?

```asm
<main>:
  endbr64
  push   %r13
  lea    D9(%rip),%r13
  push   %r12
  push   %rbp
  push   %rbx
  lea    D7(%rip),%rbx
  mov    %rbx,%rdi
  sub    $0x38,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x28(%rsp)
  xor    %eax,%eax
  lea    0xc(%rsp),%r12
  lea    0x8(%rsp),%rbp
  mov    %r12,%rdx
  mov    %rbp,%rsi
  call   <scanf@plt>
  mov    0xc(%rsp),%eax
  test   %eax,%eax
  je     L107
L35:
  mov    0x8(%rsp),%edx
  test   %edx,%edx
  je     L107
  xor    %edi,%edi
  add    %eax,%edx
  je     L185
  nopw   0x0(%rax,%rax,1)
L16:
  movslq %edx,%rax
  mov    %edx,%ecx
  mov    %edx,%esi
  imul   $0x66666667,%rax,%rax
  sar    $0x1f,%ecx
  sar    $0x22,%rax
  sub    %ecx,%eax
  lea    (%rax,%rax,4),%ecx
  mov    %eax,%edx
  add    %ecx,%ecx
  sub    %ecx,%esi
  lea    0x30(%rsi),%ecx
  je     L36
  movslq %edi,%rsi
  add    $0x1,%edi
  mov    %cl,0x10(%rsp,%rsi,1)
L36:
  test   %eax,%eax
  jne    L16
L185:
  movslq %edi,%rdi
  movb   $0x0,0x10(%rsp,%rdi,1)
  lea    0x10(%rsp),%rdi
  call   <strlen@plt>
  movslq %eax,%rdx
  movb   $0x0,0x1c(%rsp,%rdx,1)
  lea    -0x1(%rax),%edx
  test   %eax,%eax
  jle    L187
  movslq %edx,%rdx
  movzbl 0x10(%rsp,%rdx,1),%edx
  mov    %dl,0x1c(%rsp)
  lea    -0x2(%rax),%edx
  cmp    $0x1,%eax
  je     L187
  movslq %edx,%rdx
  movzbl 0x10(%rsp,%rdx,1),%edx
  mov    %dl,0x1d(%rsp)
  lea    -0x3(%rax),%edx
  cmp    $0x2,%eax
  je     L187
  movslq %edx,%rdx
  movzbl 0x10(%rsp,%rdx,1),%edx
  mov    %dl,0x1e(%rsp)
  lea    -0x4(%rax),%edx
  cmp    $0x3,%eax
  je     L187
  movslq %edx,%rdx
  movzbl 0x10(%rsp,%rdx,1),%edx
  mov    %dl,0x1f(%rsp)
  lea    -0x5(%rax),%edx
  cmp    $0x4,%eax
  je     L187
  movslq %edx,%rdx
  movzbl 0x10(%rsp,%rdx,1),%edx
  mov    %dl,0x20(%rsp)
  lea    -0x6(%rax),%edx
  cmp    $0x5,%eax
  je     L187
  movslq %edx,%rdx
  movzbl 0x10(%rsp,%rdx,1),%edx
  mov    %dl,0x21(%rsp)
  lea    -0x7(%rax),%edx
  cmp    $0x6,%eax
  je     L187
  movslq %edx,%rdx
  movzbl 0x10(%rsp,%rdx,1),%edx
  mov    %dl,0x22(%rsp)
  lea    -0x8(%rax),%edx
  cmp    $0x7,%eax
  je     L187
  movslq %edx,%rdx
  movzbl 0x10(%rsp,%rdx,1),%edx
  mov    %dl,0x23(%rsp)
  lea    -0x9(%rax),%edx
  cmp    $0x8,%eax
  je     L187
  movslq %edx,%rdx
  movzbl 0x10(%rsp,%rdx,1),%edx
  mov    %dl,0x24(%rsp)
  lea    -0xa(%rax),%edx
  cmp    $0x9,%eax
  je     L187
  movslq %edx,%rdx
  movzbl 0x10(%rsp,%rdx,1),%edx
  mov    %dl,0x25(%rsp)
  lea    -0xb(%rax),%edx
  cmp    $0xa,%eax
  je     L187
  movslq %edx,%rdx
  movzbl 0x10(%rsp,%rdx,1),%edx
  mov    %dl,0x26(%rsp)
  lea    -0xc(%rax),%edx
  cmp    $0xb,%eax
  je     L187
  movslq %edx,%rdx
  movzbl 0x10(%rsp,%rdx,1),%eax
  mov    %al,0x27(%rsp)
L187:
  lea    0x1c(%rsp),%rsi
  mov    %r13,%rdi
  call   <printf@plt>
  mov    %r12,%rdx
  mov    %rbp,%rsi
  mov    %rbx,%rdi
  call   <scanf@plt>
  mov    0xc(%rsp),%eax
  test   %eax,%eax
  jne    L35
L107:
  mov    0x28(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L111
  add    $0x38,%rsp
  xor    %eax,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
L111:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: unpack_data
arguments: data_tag: D9
datatype: string
name: unpack_data
arguments: data_tag: D7
datatype: string

tool: D9: %s


tool: D7: %d%d

assistant: ```c
int main() {
  int A, B, Result, Div, Cont, Mod, Cont2;
  char ForaZero[12], SemZer[12];
  scanf("%d%d", &A, &B);
  while (B != 0 && A != 0) {
    Cont = 0;
    Result = A + B;
    while (Result != 0) {
      Mod = Result % 10;
      Result = Result / 10;
      Mod = Mod + 48;
      if (Mod != 48) {
        ForaZero[Cont] = Mod;
        Cont++;
      }
    }
    ForaZero[Cont] = '\0';
    Cont = strlen(ForaZero);
    SemZer[Cont] = '\0';
    Mod = Cont;
    Cont = Cont - 1;
    for (Cont2 = 0; Cont2 < Mod; Cont2++) {
      SemZer[Cont2] = ForaZero[Cont];
      Cont--;
    }
    printf("%s\n", SemZer);
    scanf("%d%d", &A, &B);
  }
  return 0;
}
```