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

```asm
<main>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  lea    D23(%rip),%r13
  push   %r12
  push   %rbp
  lea    D11(%rip),%rbp
  push   %rbx
  sub    $0x18,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  lea    0x4(%rsp),%r14
  nopl   (%rax)
L104:
  xor    %eax,%eax
  mov    %r14,%rsi
  mov    %r13,%rdi
  call   <scanf@plt>
  test   %rax,%rax
  je     L182
  mov    0x4(%rsp),%eax
  test   %eax,%eax
  je     L182
  jle    L207
  mov    $0x4e,%r12d
  xor    %r15d,%r15d
  lea    0x3(%rsp),%rbx
  jmp    L215
L70:
  cmp    $0x53,%r12b
  je     L106
  cmp    $0x4c,%r12b
  je     L151
  cmp    $0x4f,%r12b
  jne    L213
  movzbl 0x3(%rsp),%eax
  cmp    $0x45,%al
  je     L108
  cmp    $0x44,%al
  mov    $0x4e,%eax
  cmove  %eax,%r12d
  nopw   0x0(%rax,%rax,1)
L213:
  add    $0x1,%r15d
  cmp    %r15d,0x4(%rsp)
  jle    L102
L215:
  xor    %eax,%eax
  mov    %rbx,%rsi
  mov    %rbp,%rdi
  call   <scanf@plt>
  cmp    $0x4e,%r12b
  jne    L70
  movzbl 0x3(%rsp),%eax
  cmp    $0x45,%al
  je     L222
  cmp    $0x44,%al
  mov    $0x4c,%eax
  cmove  %eax,%r12d
  add    $0x1,%r15d
  cmp    %r15d,0x4(%rsp)
  jg     L215
L102:
  movsbl %r12b,%esi
L214:
  lea    D26(%rip),%rdi
  call   <printf@plt>
  jmp    L104
  nopw   0x0(%rax,%rax,1)
L106:
  movzbl 0x3(%rsp),%eax
  cmp    $0x45,%al
  je     L81
  cmp    $0x44,%al
  mov    $0x4f,%eax
  cmove  %eax,%r12d
  jmp    L213
  cs nopw 0x0(%rax,%rax,1)
L151:
  movzbl 0x3(%rsp),%eax
  cmp    $0x45,%al
  je     L218
  cmp    $0x44,%al
  mov    $0x53,%eax
  cmove  %eax,%r12d
  jmp    L213
  nopl   0x0(%rax)
L222:
  mov    $0x4f,%r12d
  jmp    L213
  nopl   0x0(%rax,%rax,1)
L81:
  mov    $0x4c,%r12d
  jmp    L213
  nopl   0x0(%rax,%rax,1)
L218:
  mov    $0x4e,%r12d
  jmp    L213
  nopl   0x0(%rax,%rax,1)
L108:
  mov    $0x53,%r12d
  jmp    L213
  nopl   0x0(%rax,%rax,1)
L182:
  mov    0x8(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L60
  add    $0x18,%rsp
  xor    %eax,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
  nopl   0x0(%rax)
L207:
  mov    $0x4e,%esi
  jmp    L214
L60:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: extract_symbolic_data
arguments: label: D23
type_infered: string
name: extract_symbolic_data
arguments: label: D11
type_infered: string
name: extract_symbolic_data
arguments: label: D26
type_infered: string

tool: D23: %d

tool: D11:  %c

tool: D26: %c


assistant: ```c
int main() {
  int a, i;
  char c, p = 'N';
  while (scanf("%d", &a)) {
    if (a == 0) {
      break;
    }
    for (i = 0; i < a; i++) {
      scanf(" %c", &c);
      if (p == 'N' && c == 'E') {
        p = 'O';
      } else if (p == 'N' && c == 'D') {
        p = 'L';
      } else if (p == 'S' && c == 'E') {
        p = 'L';
      } else if (p == 'S' && c == 'D') {
        p = 'O';
      } else if (p == 'L' && c == 'E') {
        p = 'N';
      } else if (p == 'L' && c == 'D') {
        p = 'S';
      } else if (p == 'O' && c == 'E') {
        p = 'S';
      } else if (p == 'O' && c == 'D') {
        p = 'N';
      }
    }
    printf("%c\n", p);
    p = 'N';
  }
  return 0;
}
```