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

```asm
<main>:
  endbr64
  push   %r15
  lea    D25(%rip),%r15
  push   %r14
  lea    D14(%rip),%r14
  push   %r13
  push   %r12
  push   %rbp
  lea    D51(%rip),%rbp
  push   %rbx
  lea    D54(%rip),%rbx
  sub    $0x38,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x28(%rsp)
  xor    %eax,%eax
  lea    0xc(%rsp),%r13
  lea    0x8(%rsp),%r12
  nopl   0x0(%rax,%rax,1)
L48:
  mov    %r13,%rdx
  mov    %r12,%rsi
  mov    %rbp,%rdi
  call   <scanf@plt>
  mov    0x8(%rsp),%ecx
  mov    %ecx,%eax
  or     0xc(%rsp),%eax
  je     L37
  lea    0x12(%rsp),%rdi
  mov    $0xa,%edx
  mov    %rbx,%rsi
  call   <sprintf@plt>
  mov    0xc(%rsp),%ecx
  mov    $0xa,%edx
  mov    %rbx,%rsi
  lea    0x1d(%rsp),%rdi
  call   <sprintf@plt>
  movsbl 0x26(%rsp),%edx
  movsbl 0x1b(%rsp),%eax
  movl   $0xffffffff,0x8(%rsp)
  movsbl 0x25(%rsp),%ecx
  movsbl 0x24(%rsp),%esi
  add    %edx,%eax
  movsbl 0x1a(%rsp),%edx
  cmp    $0x69,%eax
  setg   %al
  add    %ecx,%edx
  xor    %ecx,%ecx
  movzbl %al,%eax
  add    %eax,%edx
  cmp    $0x69,%edx
  movsbl 0x19(%rsp),%edx
  setg   %cl
  add    %esi,%edx
  add    %ecx,%eax
  movsbl 0x23(%rsp),%esi
  add    %ecx,%edx
  xor    %ecx,%ecx
  cmp    $0x69,%edx
  movsbl 0x18(%rsp),%edx
  setg   %cl
  add    %esi,%edx
  add    %ecx,%eax
  movsbl 0x22(%rsp),%esi
  add    %ecx,%edx
  xor    %ecx,%ecx
  cmp    $0x69,%edx
  movsbl 0x17(%rsp),%edx
  setg   %cl
  add    %esi,%edx
  add    %ecx,%eax
  movsbl 0x21(%rsp),%esi
  add    %ecx,%edx
  xor    %ecx,%ecx
  cmp    $0x69,%edx
  movsbl 0x16(%rsp),%edx
  setg   %cl
  add    %esi,%edx
  add    %ecx,%eax
  movsbl 0x20(%rsp),%esi
  add    %ecx,%edx
  xor    %ecx,%ecx
  cmp    $0x69,%edx
  movsbl 0x15(%rsp),%edx
  setg   %cl
  add    %esi,%edx
  add    %ecx,%eax
  movsbl 0x1f(%rsp),%esi
  add    %ecx,%edx
  xor    %ecx,%ecx
  cmp    $0x69,%edx
  movsbl 0x14(%rsp),%edx
  setg   %cl
  add    %esi,%edx
  add    %ecx,%eax
  movsbl 0x1e(%rsp),%esi
  add    %ecx,%edx
  xor    %ecx,%ecx
  cmp    $0x69,%edx
  movsbl 0x13(%rsp),%edx
  setg   %cl
  add    %esi,%edx
  add    %ecx,%eax
  movsbl 0x1d(%rsp),%esi
  add    %ecx,%edx
  xor    %ecx,%ecx
  cmp    $0x69,%edx
  movsbl 0x12(%rsp),%edx
  setg   %cl
  add    %esi,%edx
  add    %ecx,%eax
  xor    %esi,%esi
  add    %ecx,%edx
  cmp    $0x69,%edx
  setg   %sil
  mov    %esi,0xc(%rsp)
  add    %eax,%esi
  je     L11
  cmp    $0x1,%esi
  mov    %r14,%rdx
  lea    D11(%rip),%rdi
  cmove  %r15,%rdx
  xor    %eax,%eax
  call   <printf@plt>
  jmp    L48
  nop
L11:
  lea    D3(%rip),%rdi
  call   <puts@plt>
  jmp    L48
  nopl   0x0(%rax)
L37:
  mov    0x28(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L34
  add    $0x38,%rsp
  xor    %eax,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L34:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: read_data
arguments: data_label: D25
datatype: string
name: read_data
arguments: data_label: D14
datatype: string
name: read_data
arguments: data_label: D51
datatype: string
name: read_data
arguments: data_label: D54
datatype: string
name: read_data
arguments: data_label: D11
datatype: string
name: read_data
arguments: data_label: D3
datatype: string

tool: 

tool: D14: s

tool: D51: %d %d

tool: D54: %0*d

tool: D11: %d carry operation%s.


tool: D3: No carry operation.

assistant: ```c
int main(void) {
  int i, j, carry;
  char a[11], b[11];
  while (1) {
    scanf("%d %d", &i, &j);
    if (i == 0 && j == 0)
      break;
    sprintf(a, "%0*d", 10, i);
    sprintf(b, "%0*d", 10, j);
    carry = 0;
    for (i = 9, j = 0; i >= 0; i--) {
      j = (a[i] + b[i] + j >= '5' + '5');
      carry += j;
    }
    if (carry) {
      printf("%d carry operation%s.\n", carry, carry == 1 ? "" : "s");
    } else
      printf("No carry operation.\n");
  }
  return 0;
}
```