user: Demonstrate the C code that generates the assembly output below:

```asm
<main>:
  endbr64
  push   %r15
  lea    D4(%rip),%r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0xfd8,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0xfc8(%rsp)
  xor    %eax,%eax
  lea    0x14(%rsp),%rax
  lea    0x20(%rsp),%r13
  mov    %rax,0x8(%rsp)
  xchg   %ax,%ax
L39:
  mov    $0xfa0,%edx
  xor    %esi,%esi
  mov    %r13,%rdi
  call   <memset@plt>
  mov    0x8(%rsp),%rsi
  lea    D17(%rip),%rdi
  xor    %eax,%eax
  call   <scanf@plt>
  movslq 0x14(%rsp),%rax
  test   %eax,%eax
  je     L100
  jle    L141
  mov    $0x1,%r14d
  lea    0x1c(%rsp),%r12
  movl   $0x0,0x4(%rsp)
  lea    0x18(%rsp),%rbp
  lea    D6(%rip),%rbx
  jmp    L143
  cs nopw 0x0(%rax,%rax,1)
L144:
  cmp    %eax,%edx
  jg     L18
  mov    0x18(%rsp),%esi
  movslq %edx,%rdx
  add    $0x1,%r14d
  mov    %esi,0x20(%rsp,%rdx,4)
  cmp    %r14d,%eax
  jl     L51
L143:
  mov    %r12,%rdx
  mov    %rbp,%rsi
  mov    %rbx,%rdi
  xor    %eax,%eax
  call   <scanf@plt>
  movslq 0x14(%rsp),%rax
  mov    %r14d,%edx
  add    0x1c(%rsp),%edx
  jns    L144
L18:
  add    $0x1,%r14d
  movl   $0x1,0x4(%rsp)
  cmp    %r14d,%eax
  jge    L143
L51:
  mov    0x4(%rsp),%esi
  test   %esi,%esi
  je     L7
L90:
  lea    D5(%rip),%rdi
  call   <puts@plt>
  jmp    L39
L7:
  test   %eax,%eax
  jle    L56
  mov    $0x1,%edx
  nopl   0x0(%rax)
L107:
  mov    0x0(%r13,%rdx,4),%ecx
  test   %ecx,%ecx
  je     L90
  add    $0x1,%rdx
  cmp    %edx,%eax
  jge    L107
L141:
  cmp    $0x1,%eax
  jle    L56
  mov    $0x1,%ebx
  nopl   0x0(%rax,%rax,1)
L3:
  mov    0x0(%r13,%rbx,4),%esi
  mov    %r15,%rdi
  xor    %eax,%eax
  add    $0x1,%rbx
  call   <printf@plt>
  movslq 0x14(%rsp),%rax
  cmp    %ebx,%eax
  jg     L3
L56:
  mov    0x20(%rsp,%rax,4),%esi
  lea    D14(%rip),%rdi
  xor    %eax,%eax
  call   <printf@plt>
  jmp    L39
  nopl   0x0(%rax,%rax,1)
L100:
  mov    0xfc8(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L62
  add    $0xfd8,%rsp
  xor    %eax,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L62:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: parse_data
arguments: data_label: D4
data_type: string
name: parse_data
arguments: data_label: D17
data_type: string
name: parse_data
arguments: data_label: D6
data_type: string
name: parse_data
arguments: data_label: D5
data_type: string
name: parse_data
arguments: data_label: D14
data_type: string

tool: D4: %d 

tool: D17: %d

tool: D6: %d %d

tool: D5: -1

tool: D14: %d


assistant: ```c
int main() {
  int n, i, c, p, posicao[1000], erro;
  while (1) {
    erro = 0;
    memset(posicao, 0, sizeof(posicao));
    scanf("%d", &n);
    if (n == 0)
      break;
    else {
      for (i = 1; i <= n; i++) {
        scanf("%d %d", &c, &p);
        if ((i + p) < 0 || (i + p) > n)
          erro = 1;
        else
          posicao[i + p] = c;
      }
      if (erro == 0) {
        for (i = 1; i <= n; i++) {
          if (posicao[i] == 0) {
            erro = 1;
            break;
          }
        }
      }
      if (erro == 1) {
        printf("-1\n");
      } else {
        for (i = 1; i <= n - 1; i++) {
          printf("%d ", posicao[i]);
        }
        printf("%d\n", posicao[n]);
      }
    }
  }
  return 0;
}
```