#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__ malloc(int);
int /*<<< orphan*/ scanf(char *, ...);
int main() {
  char *a;
  char *b;
  int n1, n2, i, j;
  scanf("%d", &n1);
  a = (char *)malloc(n1 * sizeof(char));
  scanf("%s", a);
  scanf("%d", &n2);
  b = (char *)malloc(n2 * sizeof(char));
  scanf("%s", b);
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x30,%rsp
movl   $0x0,-0x4(%rbp)
lea    0xeca(%rip),%rdi
lea    -0x1c(%rbp),%rsi
mov    $0x0,%al
call   1040 <scanf@plt>
movslq -0x1c(%rbp),%rax
shl    $0x0,%rax
mov    %eax,%edi
call   1030 <malloc@plt>
mov    %rax,-0x10(%rbp)
mov    -0x10(%rbp),%rsi
lea    0xea4(%rip),%rdi
mov    $0x0,%al
call   1040 <scanf@plt>
lea    0xe93(%rip),%rdi
lea    -0x20(%rbp),%rsi
mov    $0x0,%al
call   1040 <scanf@plt>
movslq -0x20(%rbp),%rax
shl    $0x0,%rax
mov    %eax,%edi
call   1030 <malloc@plt>
mov    %rax,-0x18(%rbp)
mov    -0x18(%rbp),%rsi
lea    0xe6d(%rip),%rdi
mov    $0x0,%al
call   1040 <scanf@plt>
xor    %eax,%eax
add    $0x30,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %r14
push   %rbx
push   %rax
lea    0xed5(%rip),%r14
lea    0x4(%rsp),%rsi
mov    %r14,%rdi
xor    %eax,%eax
call   1040 <scanf@plt>
mov    0x4(%rsp),%edi
call   1030 <malloc@plt>
lea    0xeb9(%rip),%rbx
mov    %rbx,%rdi
mov    %rax,%rsi
xor    %eax,%eax
call   1040 <scanf@plt>
mov    %rsp,%rsi
mov    %r14,%rdi
xor    %eax,%eax
call   1040 <scanf@plt>
mov    (%rsp),%edi
call   1030 <malloc@plt>
mov    %rbx,%rdi
mov    %rax,%rsi
xor    %eax,%eax
call   1040 <scanf@plt>
xor    %eax,%eax
add    $0x8,%rsp
pop    %rbx
pop    %r14
ret

LLVM IR (-O0):
@.str = [3 x i8] c"%d\00"
@.str.1 = [3 x i8] c"%s\00"
define i32 @main() {
%1 = alloca i32
%2 = alloca i8*
%3 = alloca i8*
%4 = alloca i32
%5 = alloca i32
%6 = alloca i32
%7 = alloca i32
store i32 0, i32* %1
%8 = call i32 (i8*, ...) @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str, i64 0, i64 0), i32* %4)
%9 = load i32, i32* %4
%10 = sext i32 %9 to i64
%11 = mul i64 %10, 1
%12 = trunc i64 %11 to i32
%13 = call i64 @malloc(i32 %12)
%14 = inttoptr i64 %13 to i8*
store i8* %14, i8** %2
%15 = load i8*, i8** %2
%16 = call i32 (i8*, ...) @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), i8* %15)
%17 = call i32 (i8*, ...) @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str, i64 0, i64 0), i32* %5)
%18 = load i32, i32* %5
%19 = sext i32 %18 to i64
%20 = mul i64 %19, 1
%21 = trunc i64 %20 to i32
%22 = call i64 @malloc(i32 %21)
%23 = inttoptr i64 %22 to i8*
store i8* %23, i8** %3
%24 = load i8*, i8** %3
%25 = call i32 (i8*, ...) @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), i8* %24)
ret i32 0
}

LLVM IR (-O2):
@.str = [3 x i8] c"%d\00"
@.str.1 = [3 x i8] c"%s\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 (i8*, ...) @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str, i64 0, i64 0), i32* %1)
%6 = load i32, i32* %1
%7 = call i64 @malloc(i32 %6)
%8 = inttoptr i64 %7 to i8*
%9 = call i32 (i8*, ...) @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), i8* %8)
%10 = call i32 (i8*, ...) @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str, i64 0, i64 0), i32* %2)
%11 = load i32, i32* %2
%12 = call i64 @malloc(i32 %11)
%13 = inttoptr i64 %12 to i8*
%14 = call i32 (i8*, ...) @scanf(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0), i8* %13)
ret i32 0
}