#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 */
scalar_t__ EOF;
int /*<<< orphan*/ printf(char *, int);
scalar_t__ scanf(char *, int *, int *, int *);
int main() {
  int n, a, b;
  while (scanf("%d%d%d", &n, &a, &b) != EOF) {
    int r = n * a * b * 2;
    printf("%d\n", r);
  }
  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
lea    -0xc(%rbp),%rdx
lea    -0x10(%rbp),%rcx
call   1040 <scanf@plt>
mov    0x2e9a(%rip),%rcx
cmp    (%rcx),%rax
je     117c <main+0x5c>
mov    -0x8(%rbp),%eax
imul   -0xc(%rbp),%eax
imul   -0x10(%rbp),%eax
shl    $0x1,%eax
mov    %eax,-0x14(%rbp)
mov    -0x14(%rbp),%esi
lea    0xe95(%rip),%rdi
call   1030 <printf@plt>
jmp    112f <main+0xf>
xor    %eax,%eax
add    $0x20,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rbp
push   %r15
push   %r14
push   %r13
push   %r12
push   %rbx
sub    $0x18,%rsp
lea    0xecb(%rip),%rdi
lea    0x14(%rsp),%rsi
lea    0x10(%rsp),%rdx
lea    0xc(%rsp),%rcx
call   1040 <scanf@plt>
mov    0x2e98(%rip),%rbp
cmp    0x0(%rbp),%rax
je     11af <main+0x8f>
lea    0xeaa(%rip),%r14
lea    0xe9c(%rip),%r15
lea    0x14(%rsp),%r12
lea    0x10(%rsp),%r13
lea    0xc(%rsp),%rbx
cs nopw 0x0(%rax,%rax,1)
nopl   (%rax)
mov    0x14(%rsp),%esi
imul   0x10(%rsp),%esi
imul   0xc(%rsp),%esi
add    %esi,%esi
mov    %r14,%rdi
call   1030 <printf@plt>
mov    %r15,%rdi
mov    %r12,%rsi
mov    %r13,%rdx
mov    %rbx,%rcx
call   1040 <scanf@plt>
cmp    0x0(%rbp),%rax
jne    1180 <main+0x60>
xor    %eax,%eax
add    $0x18,%rsp
pop    %rbx
pop    %r12
pop    %r13
pop    %r14
pop    %r15
pop    %rbp
ret

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

LLVM IR (-O2):
@.str = [7 x i8] c"%d%d%d\00"
@EOF = global i64 0
@.str.1 = [4 x i8] c"%d\0A\00"
define i32 @main() {
%1 = alloca i32
%2 = alloca i32
%3 = alloca i32
%4 = bitcast i32* %1 to i8*
%5 = bitcast i32* %2 to i8*
%6 = bitcast i32* %3 to i8*
%7 = call i64 @scanf(i8* getelementptr inbounds ([7 x i8], [7 x i8]* @.str, i64 0, i64 0), i32* %1, i32* %2, i32* %3)
%8 = load i64, i64* @EOF
%9 = icmp eq i64 %7, %8
br i1 %9, label %21, label %10
10: ; preds = %0, %10
%11 = load i32, i32* %1
%12 = load i32, i32* %2
%13 = load i32, i32* %3
%14 = shl i32 %11, 1
%15 = mul i32 %14, %12
%16 = mul i32 %15, %13
%17 = call i32 @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.1, i64 0, i64 0), i32 %16)
%18 = call i64 @scanf(i8* getelementptr inbounds ([7 x i8], [7 x i8]* @.str, i64 0, i64 0), i32* %1, i32* %2, i32* %3)
%19 = load i64, i64* @EOF
%20 = icmp eq i64 %18, %19
br i1 %20, label %21, label %10
21: ; preds = %10, %0
ret i32 0
}