#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 i;
  scanf("%d", &i);
  int a = i / 100;
  int b = i % 100 / 10;
  int c = i % 100 % 10;
  int o = c * 100 + b * 10 + a;
  printf("%d", o);
  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    $0x64,%ecx
cltd
idiv   %ecx
mov    %eax,-0xc(%rbp)
mov    -0x8(%rbp),%eax
mov    $0x64,%ecx
cltd
idiv   %ecx
mov    %edx,%eax
mov    $0xa,%ecx
cltd
idiv   %ecx
mov    %eax,-0x10(%rbp)
mov    -0x8(%rbp),%eax
mov    $0x64,%ecx
cltd
idiv   %ecx
mov    %edx,%eax
mov    $0xa,%ecx
cltd
idiv   %ecx
mov    %edx,-0x14(%rbp)
imul   $0x64,-0x14(%rbp),%eax
imul   $0xa,-0x10(%rbp),%ecx
add    %ecx,%eax
add    -0xc(%rbp),%eax
mov    %eax,-0x18(%rbp)
mov    -0x18(%rbp),%esi
lea    0xe69(%rip),%rdi
call   1030 <printf@plt>
xor    %eax,%eax
add    $0x20,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rbx
sub    $0x10,%rsp
lea    0xed4(%rip),%rbx
lea    0xc(%rsp),%rsi
mov    %rbx,%rdi
call   1040 <scanf@plt>
movslq 0xc(%rsp),%rsi
imul   $0x51eb851f,%rsi,%rax
mov    %rax,%rcx
shr    $0x3f,%rcx
sar    $0x25,%rax
add    %ecx,%eax
imul   $0x64,%eax,%ecx
sub    %ecx,%esi
movsbl %sil,%ecx
imul   $0x67,%ecx,%ecx
movzwl %cx,%ecx
movswl %cx,%edx
shr    $0xf,%ecx
shr    $0xa,%edx
add    %cl,%dl
movzbl %dl,%ecx
add    %ecx,%ecx
lea    (%rcx,%rcx,4),%ecx
mov    %esi,%edx
sub    %cl,%dl
movsbl %dl,%ecx
imul   $0x64,%ecx,%edx
add    %eax,%esi
sub    %ecx,%esi
add    %edx,%esi
mov    %rbx,%rdi
call   1030 <printf@plt>
xor    %eax,%eax
add    $0x10,%rsp
pop    %rbx
ret

LLVM IR (-O0):
@.str = [3 x i8] c"%d\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
%9 = sdiv i32 %8, 100
store i32 %9, i32* %3
%10 = load i32, i32* %2
%11 = srem i32 %10, 100
%12 = sdiv i32 %11, 10
store i32 %12, i32* %4
%13 = load i32, i32* %2
%14 = srem i32 %13, 100
%15 = srem i32 %14, 10
store i32 %15, i32* %5
%16 = load i32, i32* %5
%17 = mul nsw i32 %16, 100
%18 = load i32, i32* %4
%19 = mul nsw i32 %18, 10
%20 = add nsw i32 %17, %19
%21 = load i32, i32* %3
%22 = add nsw i32 %20, %21
store i32 %22, i32* %6
%23 = load i32, i32* %6
%24 = call i32 @printf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str, i64 0, i64 0), i32 %23)
ret i32 0
}

LLVM IR (-O2):
@.str = [3 x i8] c"%d\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 = sdiv i32 %4, 100
%6 = srem i32 %4, 100
%7 = trunc i32 %6 to i8
%8 = srem i8 %7, 10
%9 = sext i8 %8 to i32
%10 = mul nsw i32 %9, 100
%11 = add nsw i32 %5, %6
%12 = sub nsw i32 %11, %9
%13 = add nsw i32 %12, %10
%14 = call i32 @printf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str, i64 0, i64 0), i32 %13)
ret i32 0
}