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

```asm
<main>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  movl   $0x6,-0x18(%rbp)
  movl   $0x6,-0x14(%rbp)
  movl   $0x6,-0x10(%rbp)
  movl   $0x6,-0xc(%rbp)
  movl   $0x6,-0x8(%rbp)
  movl   $0x6,-0x4(%rbp)
  movl   $0x0,-0x18(%rbp)
L140:
  cmpl   $0x5,-0x18(%rbp)
  jg     L58
  movl   $0x0,-0x14(%rbp)
L15:
  cmpl   $0x5,-0x14(%rbp)
  jg     L149
  movl   $0x0,-0x10(%rbp)
L163:
  cmpl   $0x5,-0x10(%rbp)
  jg     L128
  movl   $0x0,-0xc(%rbp)
L44:
  cmpl   $0x5,-0xc(%rbp)
  jg     L126
  movl   $0x0,-0x8(%rbp)
L178:
  cmpl   $0x5,-0x8(%rbp)
  jg     L111
  movl   $0x0,-0x4(%rbp)
L158:
  cmpl   $0x5,-0x4(%rbp)
  jg     L200
  addl   $0x1,-0x4(%rbp)
  jmp    L158
L200:
  nop
  addl   $0x1,-0x8(%rbp)
  jmp    L178
L111:
  nop
  addl   $0x1,-0xc(%rbp)
  jmp    L44
L126:
  nop
  addl   $0x1,-0x10(%rbp)
  jmp    L163
L128:
  nop
  addl   $0x1,-0x14(%rbp)
  jmp    L15
L149:
  nop
  addl   $0x1,-0x18(%rbp)
  jmp    L140
L58:
  nop
  cmpl   $0x6,-0x18(%rbp)
  jne    L50
  cmpl   $0x6,-0x14(%rbp)
  jne    L104
  cmpl   $0x6,-0x10(%rbp)
  jne    L154
  cmpl   $0x6,-0xc(%rbp)
  jne    L217
  cmpl   $0x6,-0x8(%rbp)
  jne    L90
  cmpl   $0x6,-0x4(%rbp)
  je     L32
  jmp    L229
L50:
  nop
  jmp    L229
L104:
  nop
  jmp    L229
L154:
  nop
  jmp    L229
L217:
  nop
  jmp    L229
L90:
  nop
L229:
  jmp    L229
L32:
  mov    $0x1,%eax
  pop    %rbp
  ret
```

assistant: ```c
int main(void) {
  int a;
  int b;
  int c;
  int d;
  int e;
  int f;
  {
    a = 6;
    b = 6;
    c = 6;
    d = 6;
    e = 6;
    f = 6;
    a = 0;
    {
      while (1) {
      while_0_continue:;
        if (a < 6) {
        } else {
          goto while_0_break;
        }
        b = 0;
        {
          while (1) {
          while_1_continue:;
            if (b < 6) {
            } else {
              goto while_1_break;
            }
            c = 0;
            {
              while (1) {
              while_2_continue:;
                if (c < 6) {
                } else {
                  goto while_2_break;
                }
                d = 0;
                {
                  while (1) {
                  while_3_continue:;
                    if (d < 6) {
                    } else {
                      goto while_3_break;
                    }
                    e = 0;
                    {
                      while (1) {
                      while_4_continue:;
                        if (e < 6) {
                        } else {
                          goto while_4_break;
                        }
                        f = 0;
                        {
                          while (1) {
                          while_5_continue:;
                            if (f < 6) {
                            } else {
                              goto while_5_break;
                            }
                            f = f + 1;
                          }
                        while_5_break:;
                        }
                        e = e + 1;
                      }
                    while_4_break:;
                    }
                    d = d + 1;
                  }
                while_3_break:;
                }
                c = c + 1;
              }
            while_2_break:;
            }
            b = b + 1;
          }
        while_1_break:;
        }
        a = a + 1;
      }
    while_0_break:;
    }
    if (a == 6) {
      if (b == 6) {
        if (c == 6) {
          if (d == 6) {
            if (e == 6) {
              if (f == 6) {
              } else {
                goto ERROR;
              }
            } else {
              goto ERROR;
            }
          } else {
            goto ERROR;
          }
        } else {
          goto ERROR;
        }
      } else {
        goto ERROR;
      }
    } else {
    ERROR:
      goto ERROR;
    }
    return (1);
  }
}
```