#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 gcd(int, int);
int lcm(int, int);
int /*<<< orphan*/ printf(char *, int);
int scanf(char *, int *, int *);
int main() {
  int a, b, d;
  while (scanf("%d %d", &a, &b) == 2) {
    d = gcd(a, b);
    printf("%d\n", lcm(a, b));
  }
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
movl   $0x0,-0x4(%rbp)
lea    0xeaa(%rip),%rdi
lea    -0x8(%rbp),%rsi
lea    -0xc(%rbp),%rdx
call   1050 <scanf@plt>
cmp    $0x2,%eax
jne    1198 <main+0x58>
mov    -0x8(%rbp),%edi
mov    -0xc(%rbp),%esi
call   1060 <gcd@plt>
mov    %eax,-0x10(%rbp)
mov    -0x8(%rbp),%edi
mov    -0xc(%rbp),%esi
call   1040 <lcm@plt>
mov    %eax,%esi
lea    0xe78(%rip),%rdi
call   1030 <printf@plt>
jmp    114f <main+0xf>
xor    %eax,%eax
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %r15
push   %r14
push   %r12
push   %rbx
push   %rax
lea    0xeb1(%rip),%rdi
lea    0x4(%rsp),%rsi
mov    %rsp,%rdx
call   1050 <scanf@plt>
cmp    $0x2,%eax
jne    11b5 <main+0x75>
lea    0xe9e(%rip),%r14
lea    0xe91(%rip),%r15
lea    0x4(%rsp),%r12
mov    %rsp,%rbx
nopw   0x0(%rax,%rax,1)
mov    0x4(%rsp),%edi
mov    (%rsp),%esi
call   1060 <gcd@plt>
mov    0x4(%rsp),%edi
mov    (%rsp),%esi
call   1040 <lcm@plt>
mov    %r14,%rdi
mov    %eax,%esi
call   1030 <printf@plt>
mov    %r15,%rdi
mov    %r12,%rsi
mov    %rbx,%rdx
call   1050 <scanf@plt>
cmp    $0x2,%eax
je     1180 <main+0x40>
xor    %eax,%eax
add    $0x8,%rsp
pop    %rbx
pop    %r12
pop    %r14
pop    %r15
ret

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

LLVM IR (-O2):
@.str = [6 x i8] c"%d %d\00"
@.str.1 = [4 x i8] c"%d\0A\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 = icmp eq i32 %5, 2
br i1 %6, label %7, label %17
7: ; preds = %0, %7
%8 = load i32, i32* %1
%9 = load i32, i32* %2
%10 = call i32 @gcd(i32 %8, i32 %9)
%11 = load i32, i32* %1
%12 = load i32, i32* %2
%13 = call i32 @lcm(i32 %11, i32 %12)
%14 = call i32 @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.1, i64 0, i64 0), i32 %13)
%15 = call i32 @scanf(i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str, i64 0, i64 0), i32* %1, i32* %2)
%16 = icmp eq i32 %15, 2
br i1 %16, label %7, label %17
17: ; preds = %7, %0
ret i32 0
}