#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 *);
int main() {
  int a, b, add = 10;
  scanf("%d %d", &a, &b);
  int c = a - b;
  if (c % 10 > 5)
    c--;
  else
    c++;
  printf("%d", c);
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x20,%rsp
movl   $0x0,-0x4(%rbp)
movl   $0xa,-0x10(%rbp)
lea    0xec3(%rip),%rdi
lea    -0x8(%rbp),%rsi
lea    -0xc(%rbp),%rdx
call   1040 <scanf@plt>
mov    -0x8(%rbp),%eax
sub    -0xc(%rbp),%eax
mov    %eax,-0x14(%rbp)
mov    -0x14(%rbp),%eax
mov    $0xa,%ecx
cltd
idiv   %ecx
cmp    $0x5,%edx
jle    1175 <main+0x55>
mov    -0x14(%rbp),%eax
add    $0xffffffff,%eax
mov    %eax,-0x14(%rbp)
jmp    117e <main+0x5e>
mov    -0x14(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x14(%rbp)
mov    -0x14(%rbp),%esi
lea    0xe7b(%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
mov    %rsp,%rdx
call   1040 <scanf@plt>
mov    0x4(%rsp),%eax
sub    (%rsp),%eax
cltq
imul   $0x66666667,%rax,%rcx
mov    %rcx,%rdx
shr    $0x3f,%rdx
sar    $0x22,%rcx
add    %edx,%ecx
add    %ecx,%ecx
lea    (%rcx,%rcx,4),%ecx
mov    %eax,%edx
sub    %ecx,%edx
xor    %ecx,%ecx
cmp    $0x6,%edx
setl   %cl
lea    (%rax,%rcx,2),%esi
add    $0xffffffff,%esi
lea    0xe93(%rip),%rdi
call   1030 <printf@plt>
xor    %eax,%eax
pop    %rcx
ret

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

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