#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 arithmetic_sequence_sum(int, int, int);
int atoi(char *);
int /*<<< orphan*/ fprintf(int /*<<< orphan*/, char *, char *);
int /*<<< orphan*/ printf(char *, long);
int /*<<< orphan*/ stderr;
int totient_sum(int);
int main(int argc, char **argv) {
  if (argc != 2) {
    fprintf(stderr, "usage: %s <N>\n", argv[0]);
    return 1;
  }
  int N = atoi(argv[1]);
  if (N < 0)
    return 1;
  long hidden = 6 * (arithmetic_sequence_sum(1, N + 1, 1) - totient_sum(N));
  printf("%ld\n", hidden);
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x30,%rsp
movl   $0x0,-0x4(%rbp)
mov    %edi,-0x8(%rbp)
mov    %rsi,-0x10(%rbp)
cmpl   $0x2,-0x8(%rbp)
je     1198 <main+0x48>
mov    0x2e69(%rip),%rax
mov    (%rax),%edi
mov    -0x10(%rbp),%rax
mov    (%rax),%rdx
lea    0xe79(%rip),%rsi
call   1060 <fprintf@plt>
movl   $0x1,-0x4(%rbp)
jmp    1202 <main+0xb2>
mov    -0x10(%rbp),%rax
mov    0x8(%rax),%rdi
call   1070 <atoi@plt>
mov    %eax,-0x14(%rbp)
cmpl   $0x0,-0x14(%rbp)
jge    11be <main+0x6e>
movl   $0x1,-0x4(%rbp)
jmp    1202 <main+0xb2>
mov    -0x14(%rbp),%esi
add    $0x1,%esi
mov    $0x1,%edx
mov    %edx,%edi
call   1040 <arithmetic_sequence_sum@plt>
mov    %eax,-0x24(%rbp)
mov    -0x14(%rbp),%edi
call   1050 <totient_sum@plt>
mov    %eax,%ecx
mov    -0x24(%rbp),%eax
sub    %ecx,%eax
imul   $0x6,%eax,%eax
cltq
mov    %rax,-0x20(%rbp)
mov    -0x20(%rbp),%rsi
lea    0xe19(%rip),%rdi
call   1030 <printf@plt>
movl   $0x0,-0x4(%rbp)
mov    -0x4(%rbp),%eax
add    $0x30,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rbp
push   %rbx
push   %rax
cmp    $0x2,%edi
jne    119e <main+0x4e>
mov    0x8(%rsi),%rdi
call   1070 <atoi@plt>
test   %eax,%eax
js     11b6 <main+0x66>
mov    %eax,%ebp
mov    %eax,%esi
add    $0x1,%esi
mov    $0x1,%edi
mov    $0x1,%edx
call   1040 <arithmetic_sequence_sum@plt>
mov    %eax,%ebx
mov    %ebp,%edi
call   1050 <totient_sum@plt>
sub    %eax,%ebx
add    %ebx,%ebx
lea    (%rbx,%rbx,2),%eax
movslq %eax,%rsi
lea    0xe7a(%rip),%rdi
call   1030 <printf@plt>
xor    %eax,%eax
jmp    11bb <main+0x6b>
mov    0x2e3b(%rip),%rax
mov    (%rax),%edi
mov    (%rsi),%rdx
lea    0xe4f(%rip),%rsi
call   1060 <fprintf@plt>
mov    $0x1,%eax
add    $0x8,%rsp
pop    %rbx
pop    %rbp
ret

LLVM IR (-O0):
@stderr = global i32 0
@.str = [15 x i8] c"usage: %s <N>\0A\00"
@.str.1 = [5 x i8] c"%ld\0A\00"
define i32 @main(i32 %0, i8** %1) {
%3 = alloca i32
%4 = alloca i32
%5 = alloca i8**
%6 = alloca i32
%7 = alloca i64
store i32 0, i32* %3
store i32 %0, i32* %4
store i8** %1, i8*** %5
%8 = load i32, i32* %4
%9 = icmp ne i32 %8, 2
br i1 %9, label %10, label %16
10: ; preds = %2
%11 = load i32, i32* @stderr
%12 = load i8**, i8*** %5
%13 = getelementptr inbounds i8*, i8** %12, i64 0
%14 = load i8*, i8** %13
%15 = call i32 @fprintf(i32 %11, i8* getelementptr inbounds ([15 x i8], [15 x i8]* @.str, i64 0, i64 0), i8* %14)
store i32 1, i32* %3
br label %35
16: ; preds = %2
%17 = load i8**, i8*** %5
%18 = getelementptr inbounds i8*, i8** %17, i64 1
%19 = load i8*, i8** %18
%20 = call i32 @atoi(i8* %19)
store i32 %20, i32* %6
%21 = load i32, i32* %6
%22 = icmp slt i32 %21, 0
br i1 %22, label %23, label %24
23: ; preds = %16
store i32 1, i32* %3
br label %35
24: ; preds = %16
%25 = load i32, i32* %6
%26 = add nsw i32 %25, 1
%27 = call i32 @arithmetic_sequence_sum(i32 1, i32 %26, i32 1)
%28 = load i32, i32* %6
%29 = call i32 @totient_sum(i32 %28)
%30 = sub nsw i32 %27, %29
%31 = mul nsw i32 6, %30
%32 = sext i32 %31 to i64
store i64 %32, i64* %7
%33 = load i64, i64* %7
%34 = call i32 @printf(i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str.1, i64 0, i64 0), i64 %33)
store i32 0, i32* %3
br label %35
35: ; preds = %24, %23, %10
%36 = load i32, i32* %3
ret i32 %36
}

LLVM IR (-O2):
@stderr = global i32 0
@.str = [15 x i8] c"usage: %s <N>\0A\00"
@.str.1 = [5 x i8] c"%ld\0A\00"
define i32 @main(i32 %0, i8** nocapture %1) {
%3 = icmp eq i32 %0, 2
br i1 %3, label %8, label %4
4: ; preds = %2
%5 = load i32, i32* @stderr
%6 = load i8*, i8** %1
%7 = tail call i32 @fprintf(i32 %5, i8* getelementptr inbounds ([15 x i8], [15 x i8]* @.str, i64 0, i64 0), i8* %6)
br label %21
8: ; preds = %2
%9 = getelementptr inbounds i8*, i8** %1, i64 1
%10 = load i8*, i8** %9
%11 = tail call i32 @atoi(i8* %10)
%12 = icmp slt i32 %11, 0
br i1 %12, label %21, label %13
13: ; preds = %8
%14 = add nuw nsw i32 %11, 1
%15 = tail call i32 @arithmetic_sequence_sum(i32 1, i32 %14, i32 1)
%16 = tail call i32 @totient_sum(i32 %11)
%17 = sub nsw i32 %15, %16
%18 = mul nsw i32 %17, 6
%19 = sext i32 %18 to i64
%20 = tail call i32 @printf(i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str.1, i64 0, i64 0), i64 %19)
br label %21
21: ; preds = %13, %8, %4
%22 = phi i32 [ 1, %4 ], [ 0, %13 ], [ 1, %8 ]
ret i32 %22
}