#define NULL ((void *)0)
typedef unsigned long size_t; // Customize by platform.
typedef long intptr_t;
typedef unsigned long uintptr_t;
typedef long scalar_t__; // Either arithmetic or pointer type.
/* By default, we understand bool (as a convenience). */
typedef int bool;
#define false 0
#define true 1

/* Forward declarations */

/* Type definitions */

/* Variables and functions */
int /*<<< orphan*/ printf(char *, int);
int /*<<< orphan*/ scanf(char *, int *);
int main() {
  int max;
  scanf("%d", &max);
  max -= max % 3;
  for (int i = 0; i < max; i += 3) {
    printf("%d ", i);
  }
  printf("%d\n", max);
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
movl   $0x0,-0x4(%rbp)
lea    0xeca(%rip),%rdi
lea    -0x8(%rbp),%rsi
call   1040 <scanf@plt>
mov    -0x8(%rbp),%eax
mov    $0x3,%ecx
cltd
idiv   %ecx
mov    -0x8(%rbp),%eax
sub    %edx,%eax
mov    %eax,-0x8(%rbp)
movl   $0x0,-0xc(%rbp)
mov    -0xc(%rbp),%eax
cmp    -0x8(%rbp),%eax
jge    1182 <main+0x62>
mov    -0xc(%rbp),%esi
lea    0xe94(%rip),%rdi
call   1030 <printf@plt>
mov    -0xc(%rbp),%eax
add    $0x3,%eax
mov    %eax,-0xc(%rbp)
jmp    1159 <main+0x39>
mov    -0x8(%rbp),%esi
lea    0xe7b(%rip),%rdi
call   1030 <printf@plt>
xor    %eax,%eax
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %r14
push   %rbx
push   %rax
lea    0xed5(%rip),%rdi
lea    0x4(%rsp),%rsi
call   1040 <scanf@plt>
movslq 0x4(%rsp),%rax
imul   $0x55555556,%rax,%rax
mov    %rax,%rcx
shr    $0x3f,%rcx
shr    $0x20,%rax
add    %ecx,%eax
lea    (%rax,%rax,2),%esi
mov    %esi,0x4(%rsp)
test   %esi,%esi
jle    1185 <main+0x65>
xor    %ebx,%ebx
lea    0xea1(%rip),%r14
cs nopw 0x0(%rax,%rax,1)
nopl   0x0(%rax)
mov    %r14,%rdi
mov    %ebx,%esi
call   1030 <printf@plt>
add    $0x3,%ebx
mov    0x4(%rsp),%esi
cmp    %esi,%ebx
jl     1170 <main+0x50>
lea    0xe7b(%rip),%rdi
call   1030 <printf@plt>
xor    %eax,%eax
add    $0x8,%rsp
pop    %rbx
pop    %r14
ret

LLVM IR (-O0):
@.str = [3 x i8] c"%d\00"
@.str.1 = [4 x i8] c"%d \00"
@.str.2 = [4 x i8] c"%d\0A\00"
define i32 @main() {
%1 = alloca i32
%2 = alloca i32
%3 = alloca i32
store i32 0, i32* %1
%4 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str, i64 0, i64 0), i32* %2)
%5 = load i32, i32* %2
%6 = srem i32 %5, 3
%7 = load i32, i32* %2
%8 = sub nsw i32 %7, %6
store i32 %8, i32* %2
store i32 0, i32* %3
br label %9
9: ; preds = %16, %0
%10 = load i32, i32* %3
%11 = load i32, i32* %2
%12 = icmp slt i32 %10, %11
br i1 %12, label %13, label %19
13: ; preds = %9
%14 = load i32, i32* %3
%15 = call i32 @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.1, i64 0, i64 0), i32 %14)
br label %16
16: ; preds = %13
%17 = load i32, i32* %3
%18 = add nsw i32 %17, 3
store i32 %18, i32* %3
br label %9
19: ; preds = %9
%20 = load i32, i32* %2
%21 = call i32 @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.2, i64 0, i64 0), i32 %20)
ret i32 0
}

LLVM IR (-O2):
@.str = [3 x i8] c"%d\00"
@.str.1 = [4 x i8] c"%d \00"
@.str.2 = [4 x i8] c"%d\0A\00"
define i32 @main() {
%1 = alloca i32
%2 = bitcast i32* %1 to i8*
%3 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str, i64 0, i64 0), i32* %1)
%4 = load i32, i32* %1
%5 = srem i32 %4, 3
%6 = sub nsw i32 %4, %5
store i32 %6, i32* %1
%7 = icmp sgt i32 %6, 0
br i1 %7, label %11, label %8
8: ; preds = %11, %0
%9 = phi i32 [ %6, %0 ], [ %15, %11 ]
%10 = call i32 @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.2, i64 0, i64 0), i32 %9)
ret i32 0
11: ; preds = %0, %11
%12 = phi i32 [ %14, %11 ], [ 0, %0 ]
%13 = call i32 @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.1, i64 0, i64 0), i32 %12)
%14 = add nuw nsw i32 %12, 3
%15 = load i32, i32* %1
%16 = icmp slt i32 %14, %15
br i1 %16, label %11, label %8
}