#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 /*<<< orphan*/ scanf(char *, int *);
int main() {
  int year;
  scanf("%d", &year);
  if (year % 4 != 0 || (year % 100 == 0 && year % 400 != 0))
    printf("no\n");
  else
    printf("yes\n");
  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    $0x4,%ecx
cltd
idiv   %ecx
cmp    $0x0,%edx
jne    117b <main+0x5b>
mov    -0x8(%rbp),%eax
mov    $0x64,%ecx
cltd
idiv   %ecx
cmp    $0x0,%edx
jne    118c <main+0x6c>
mov    -0x8(%rbp),%eax
mov    $0x190,%ecx
cltd
idiv   %ecx
cmp    $0x0,%edx
je     118c <main+0x6c>
lea    0xe81(%rip),%rdi
call   1030 <printf@plt>
jmp    1198 <main+0x78>
lea    0xe74(%rip),%rdi
call   1030 <printf@plt>
xor    %eax,%eax
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rax
lea    0xed8(%rip),%rdi
lea    0x4(%rsp),%rsi
call   1040 <scanf@plt>
mov    0x4(%rsp),%eax
test   $0x3,%al
je     1143 <main+0x23>
lea    0xec6(%rip),%rdi
jmp    1177 <main+0x57>
imul   $0xc28f5c29,%eax,%eax
add    $0x51eb850,%eax
mov    %eax,%ecx
ror    $0x2,%ecx
ror    $0x4,%eax
cmp    $0xa3d70b,%eax
lea    0xea1(%rip),%rax
lea    0xe9e(%rip),%rdi
cmovb  %rax,%rdi
cmp    $0x28f5c29,%ecx
cmovae %rax,%rdi
call   1030 <puts@plt>
xor    %eax,%eax
pop    %rcx
ret

LLVM IR (-O0):
@.str = [3 x i8] c"%d\00"
@.str.1 = [4 x i8] c"no\0A\00"
@.str.2 = [5 x i8] c"yes\0A\00"
define i32 @main() {
%1 = alloca i32
%2 = alloca i32
store i32 0, i32* %1
%3 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str, i64 0, i64 0), i32* %2)
%4 = load i32, i32* %2
%5 = srem i32 %4, 4
%6 = icmp ne i32 %5, 0
br i1 %6, label %15, label %7
7: ; preds = %0
%8 = load i32, i32* %2
%9 = srem i32 %8, 100
%10 = icmp eq i32 %9, 0
br i1 %10, label %11, label %17
11: ; preds = %7
%12 = load i32, i32* %2
%13 = srem i32 %12, 400
%14 = icmp ne i32 %13, 0
br i1 %14, label %15, label %17
15: ; preds = %11, %0
%16 = call i32 @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.1, i64 0, i64 0))
br label %19
17: ; preds = %11, %7
%18 = call i32 @printf(i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str.2, i64 0, i64 0))
br label %19
19: ; preds = %17, %15
ret i32 0
}

LLVM IR (-O2):
@.str = [3 x i8] c"%d\00"
@str = [4 x i8] c"yes\00"
@str.3 = [3 x i8] c"no\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 = and i32 %4, 3
%6 = icmp eq i32 %5, 0
br i1 %6, label %7, label %14
7: ; preds = %0
%8 = srem i32 %4, 100
%9 = icmp ne i32 %8, 0
%10 = srem i32 %4, 400
%11 = icmp eq i32 %10, 0
%12 = or i1 %9, %11
%13 = select i1 %12, i8* getelementptr inbounds ([4 x i8], [4 x i8]* @str, i64 0, i64 0), i8* getelementptr inbounds ([3 x i8], [3 x i8]* @str.3, i64 0, i64 0)
br label %14
14: ; preds = %7, %0
%15 = phi i8* [ getelementptr inbounds ([3 x i8], [3 x i8]* @str.3, i64 0, i64 0), %0 ], [ %13, %7 ]
%16 = call i32 @puts(i8* dereferenceable(1) %15)
ret i32 0
}