#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 *);
main() {
  int inp, mol, res = 0, pal;
  scanf("%d", &inp);
  pal = inp;
  while (inp != 0) {
    mol = inp % 10;
    inp /= 10;
    res = res * 10 + mol;
  }
  if (res == pal) {
    printf("palindrome");
  } else {
    printf("Not palindrome");
  }
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x20,%rsp
movl   $0x0,-0x4(%rbp)
movl   $0x0,-0x10(%rbp)
lea    0xec3(%rip),%rdi
lea    -0x8(%rbp),%rsi
call   1040 <scanf@plt>
mov    -0x8(%rbp),%eax
mov    %eax,-0x14(%rbp)
cmpl   $0x0,-0x8(%rbp)
je     1181 <main+0x61>
mov    -0x8(%rbp),%eax
mov    $0xa,%ecx
cltd
idiv   %ecx
mov    %edx,-0xc(%rbp)
mov    -0x8(%rbp),%eax
mov    $0xa,%ecx
cltd
idiv   %ecx
mov    %eax,-0x8(%rbp)
imul   $0xa,-0x10(%rbp),%eax
add    -0xc(%rbp),%eax
mov    %eax,-0x10(%rbp)
jmp    114c <main+0x2c>
mov    -0x10(%rbp),%eax
cmp    -0x14(%rbp),%eax
jne    119e <main+0x7e>
lea    0xe73(%rip),%rdi
call   1030 <printf@plt>
jmp    11aa <main+0x8a>
lea    0xe5e(%rip),%rdi
call   1030 <printf@plt>
mov    -0x4(%rbp),%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    0xe7a(%rip),%rax
lea    0xe6f(%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 = [11 x i8] c"palindrome\00"
@.str.2 = [15 x i8] c"Not palindrome\00"
define i32 @main() {
%1 = alloca i32
%2 = alloca i32
%3 = alloca i32
%4 = alloca i32
%5 = alloca i32
store i32 0, i32* %1
store i32 0, i32* %4
%6 = call i32 @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str, i64 0, i64 0), i32* %2)
%7 = load i32, i32* %2
store i32 %7, i32* %5
br label %8
8: ; preds = %11, %0
%9 = load i32, i32* %2
%10 = icmp ne i32 %9, 0
br i1 %10, label %11, label %20
11: ; preds = %8
%12 = load i32, i32* %2
%13 = srem i32 %12, 10
store i32 %13, i32* %3
%14 = load i32, i32* %2
%15 = sdiv i32 %14, 10
store i32 %15, i32* %2
%16 = load i32, i32* %4
%17 = mul nsw i32 %16, 10
%18 = load i32, i32* %3
%19 = add nsw i32 %17, %18
store i32 %19, i32* %4
br label %8
20: ; preds = %8
%21 = load i32, i32* %4
%22 = load i32, i32* %5
%23 = icmp eq i32 %21, %22
br i1 %23, label %24, label %26
24: ; preds = %20
%25 = call i32 @printf(i8* getelementptr inbounds ([11 x i8], [11 x i8]* @.str.1, i64 0, i64 0))
br label %28
26: ; preds = %20
%27 = call i32 @printf(i8* getelementptr inbounds ([15 x i8], [15 x i8]* @.str.2, i64 0, i64 0))
br label %28
28: ; preds = %26, %24
%29 = load i32, i32* %1
ret i32 %29
}

LLVM IR (-O2):
@.str = [3 x i8] c"%d\00"
@.str.1 = [11 x i8] c"palindrome\00"
@.str.2 = [15 x i8] c"Not palindrome\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 ([11 x i8], [11 x i8]* @.str.1, i64 0, i64 0), i8* getelementptr inbounds ([15 x i8], [15 x i8]* @.str.2, i64 0, i64 0)
%20 = call i32 @printf(i8* dereferenceable(1) %19)
ret i32 0
}