#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 at1, at2, anos = 0;
  scanf("%d %d", &at2, &at1);
  while (at1 < at2) {
    at1 += 3;
    at2 += 2;
    anos++;
  }
  printf("%d\n", anos);
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
movl   $0x0,-0x4(%rbp)
movl   $0x0,-0x10(%rbp)
lea    0xec3(%rip),%rdi
lea    -0xc(%rbp),%rsi
lea    -0x8(%rbp),%rdx
call   1040 <scanf@plt>
mov    -0x8(%rbp),%eax
cmp    -0xc(%rbp),%eax
jge    1176 <main+0x56>
mov    -0x8(%rbp),%eax
add    $0x3,%eax
mov    %eax,-0x8(%rbp)
mov    -0xc(%rbp),%eax
add    $0x2,%eax
mov    %eax,-0xc(%rbp)
mov    -0x10(%rbp),%eax
add    $0x1,%eax
mov    %eax,-0x10(%rbp)
jmp    114a <main+0x2a>
mov    -0x10(%rbp),%esi
lea    0xe86(%rip),%rdi
call   1030 <printf@plt>
xor    %eax,%eax
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rax
lea    0xed8(%rip),%rdi
mov    %rsp,%rsi
lea    0x4(%rsp),%rdx
call   1040 <scanf@plt>
mov    0x4(%rsp),%eax
mov    (%rsp),%ecx
xor    %esi,%esi
cmp    %ecx,%eax
jge    1164 <main+0x44>
xor    %esi,%esi
cs nopw 0x0(%rax,%rax,1)
xchg   %ax,%ax
add    $0x3,%eax
add    $0x2,%ecx
add    $0x1,%esi
cmp    %ecx,%eax
jl     1150 <main+0x30>
mov    %eax,0x4(%rsp)
mov    %ecx,(%rsp)
lea    0xe9b(%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 = [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
store i32 0, i32* %4
%5 = call i32 @scanf(i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str, i64 0, i64 0), i32* %3, i32* %2)
br label %6
6: ; preds = %10, %0
%7 = load i32, i32* %2
%8 = load i32, i32* %3
%9 = icmp slt i32 %7, %8
br i1 %9, label %10, label %17
10: ; preds = %6
%11 = load i32, i32* %2
%12 = add nsw i32 %11, 3
store i32 %12, i32* %2
%13 = load i32, i32* %3
%14 = add nsw i32 %13, 2
store i32 %14, i32* %3
%15 = load i32, i32* %4
%16 = add nsw i32 %15, 1
store i32 %16, i32* %4
br label %6
17: ; preds = %6
%18 = load i32, i32* %4
%19 = call i32 @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.1, i64 0, i64 0), i32 %18)
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* %2, i32* %1)
%6 = load i32, i32* %1
%7 = load i32, i32* %2
%8 = icmp slt i32 %6, %7
br i1 %8, label %9, label %18
9: ; preds = %0, %9
%10 = phi i32 [ %15, %9 ], [ 0, %0 ]
%11 = phi i32 [ %13, %9 ], [ %6, %0 ]
%12 = phi i32 [ %14, %9 ], [ %7, %0 ]
%13 = add nsw i32 %11, 3
%14 = add nsw i32 %12, 2
%15 = add nuw nsw i32 %10, 1
%16 = icmp slt i32 %13, %14
br i1 %16, label %9, label %17
17: ; preds = %9
store i32 %13, i32* %1
store i32 %14, i32* %2
br label %18
18: ; preds = %17, %0
%19 = phi i32 [ %15, %17 ], [ 0, %0 ]
%20 = call i32 @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.1, i64 0, i64 0), i32 %19)
ret i32 0
}