#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 a, c, d, i, e;
  scanf("%d", &a);
  c = a;
  e = 0;
  while (a != 0) {
    d = a % 10;
    a = a / 10;
    e = 10 * e + d;
  }
  if (e == c)
    printf("YES");
  else
    printf("NO");
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x20,%rsp
movl   $0x0,-0x4(%rbp)
lea    0xeca(%rip),%rdi
lea    -0x8(%rbp),%rsi
call   1040 <scanf@plt>
mov    -0x8(%rbp),%eax
mov    %eax,-0xc(%rbp)
movl   $0x0,-0x18(%rbp)
cmpl   $0x0,-0x8(%rbp)
je     1181 <main+0x61>
mov    -0x8(%rbp),%eax
mov    $0xa,%ecx
cltd
idiv   %ecx
mov    %edx,-0x10(%rbp)
mov    -0x8(%rbp),%eax
mov    $0xa,%ecx
cltd
idiv   %ecx
mov    %eax,-0x8(%rbp)
imul   $0xa,-0x18(%rbp),%eax
add    -0x10(%rbp),%eax
mov    %eax,-0x18(%rbp)
jmp    114c <main+0x2c>
mov    -0x18(%rbp),%eax
cmp    -0xc(%rbp),%eax
jne    119e <main+0x7e>
lea    0xe6f(%rip),%rdi
call   1030 <printf@plt>
jmp    11aa <main+0x8a>
lea    0xe62(%rip),%rdi
call   1030 <printf@plt>
xor    %eax,%eax
add    $0x20,%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),%r8d
xor    %ecx,%ecx
test   %r8d,%r8d
je     1183 <main+0x63>
mov    %r8d,%edx
cs nopw 0x0(%rax,%rax,1)
nopl   0x0(%rax,%rax,1)
movslq %edx,%rax
imul   $0x66666667,%rax,%rdx
mov    %rdx,%rdi
shr    $0x3f,%rdi
sar    $0x22,%rdx
add    %edi,%edx
lea    (%rdx,%rdx,1),%edi
lea    (%rdi,%rdi,4),%edi
mov    %eax,%esi
sub    %edi,%esi
lea    (%rcx,%rcx,4),%ecx
lea    (%rsi,%rcx,2),%ecx
add    $0x9,%eax
cmp    $0x12,%eax
ja     1150 <main+0x30>
mov    %edx,0x4(%rsp)
cmp    %r8d,%ecx
lea    0xe76(%rip),%rax
lea    0xe73(%rip),%rdi
cmove  %rax,%rdi
call   1030 <printf@plt>
xor    %eax,%eax
pop    %rcx
ret

LLVM IR (-O0):
@.str = [3 x i8] c"%d\00"
@.str.1 = [4 x i8] c"YES\00"
@.str.2 = [3 x i8] c"NO\00"
define i32 @main() {
%1 = alloca i32
%2 = alloca i32
%3 = alloca i32
%4 = alloca i32
%5 = alloca i32
%6 = alloca i32
store i32 0, i32* %1
%7 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str, i64 0, i64 0), i32* %2)
%8 = load i32, i32* %2
store i32 %8, i32* %3
store i32 0, i32* %6
br label %9
9: ; preds = %12, %0
%10 = load i32, i32* %2
%11 = icmp ne i32 %10, 0
br i1 %11, label %12, label %21
12: ; preds = %9
%13 = load i32, i32* %2
%14 = srem i32 %13, 10
store i32 %14, i32* %4
%15 = load i32, i32* %2
%16 = sdiv i32 %15, 10
store i32 %16, i32* %2
%17 = load i32, i32* %6
%18 = mul nsw i32 10, %17
%19 = load i32, i32* %4
%20 = add nsw i32 %18, %19
store i32 %20, i32* %6
br label %9
21: ; preds = %9
%22 = load i32, i32* %6
%23 = load i32, i32* %3
%24 = icmp eq i32 %22, %23
br i1 %24, label %25, label %27
25: ; preds = %21
%26 = call i32 @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.1, i64 0, i64 0))
br label %29
27: ; preds = %21
%28 = call i32 @printf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.2, i64 0, i64 0))
br label %29
29: ; preds = %27, %25
ret i32 0
}

LLVM IR (-O2):
@.str = [3 x i8] c"%d\00"
@.str.1 = [4 x i8] c"YES\00"
@.str.2 = [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 = icmp eq i32 %4, 0
br i1 %5, label %16, label %6
6: ; preds = %0, %6
%7 = phi i32 [ %12, %6 ], [ 0, %0 ]
%8 = phi i32 [ %10, %6 ], [ %4, %0 ]
%9 = srem i32 %8, 10
%10 = sdiv i32 %8, 10
%11 = mul nsw i32 %7, 10
%12 = add nsw i32 %11, %9
%13 = add i32 %8, 9
%14 = icmp ult i32 %13, 19
br i1 %14, label %15, label %6
15: ; preds = %6
store i32 %10, i32* %1
br label %16
16: ; preds = %15, %0
%17 = phi i32 [ %12, %15 ], [ 0, %0 ]
%18 = icmp eq i32 %17, %4
%19 = select i1 %18, i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.1, i64 0, i64 0), i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.2, i64 0, i64 0)
%20 = call i32 @printf(i8* dereferenceable(1) %19)
ret i32 0
}