createForward(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >&, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >&, int):
        push    rbp
        mov     rbp, rsp
        push    rbx
        sub     rsp, 40
        mov     QWORD PTR [rbp-24], rdi
        mov     QWORD PTR [rbp-32], rsi
        mov     DWORD PTR [rbp-36], edx
        mov     eax, DWORD PTR [rbp-36]
        movsx   rbx, eax
        mov     rax, QWORD PTR [rbp-24]
        mov     rdi, rax
        call    std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >::size() const
        cmp     rbx, rax
        sete    al
        test    al, al
        jne     .L5
        mov     eax, DWORD PTR [rbp-36]
        movsx   rdx, eax
        mov     rax, QWORD PTR [rbp-24]
        mov     rsi, rdx
        mov     rdi, rax
        call    std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >::operator[](unsigned long)
        movzx   eax, BYTE PTR [rax]
        cmp     al, 120
        setne   al
        test    al, al
        je      .L4
        mov     eax, DWORD PTR [rbp-36]
        movsx   rdx, eax
        mov     rax, QWORD PTR [rbp-24]
        mov     rsi, rdx
        mov     rdi, rax
        call    std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >::operator[](unsigned long)
        movzx   eax, BYTE PTR [rax]
        movsx   edx, al
        mov     rax, QWORD PTR [rbp-32]
        mov     esi, edx
        mov     rdi, rax
        call    std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >::operator+=(char)
.L4:
        mov     eax, DWORD PTR [rbp-36]
        lea     edx, [rax+1]
        mov     rcx, QWORD PTR [rbp-32]
        mov     rax, QWORD PTR [rbp-24]
        mov     rsi, rcx
        mov     rdi, rax
        call    createForward(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >&, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >&, int)
        jmp     .L1
.L5:
        nop
.L1:
        mov     rbx, QWORD PTR [rbp-8]
        leave
        ret
createBackward(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >&, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >&, int):
        push    rbp
        mov     rbp, rsp
        sub     rsp, 32
        mov     QWORD PTR [rbp-8], rdi
        mov     QWORD PTR [rbp-16], rsi
        mov     DWORD PTR [rbp-20], edx
        cmp     DWORD PTR [rbp-20], 0
        js      .L12
        mov     eax, DWORD PTR [rbp-20]
        movsx   rdx, eax
        mov     rax, QWORD PTR [rbp-8]
        mov     rsi, rdx
        mov     rdi, rax
        call    std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >::operator[](unsigned long)
        movzx   eax, BYTE PTR [rax]
        cmp     al, 120
        je      .L9
        mov     eax, DWORD PTR [rbp-20]
        movsx   rdx, eax
        mov     rax, QWORD PTR [rbp-8]
        mov     rsi, rdx
        mov     rdi, rax
        call    std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >::operator[](unsigned long)
        movzx   eax, BYTE PTR [rax]
        test    al, al
        je      .L9
        mov     eax, 1
        jmp     .L10
.L9:
        mov     eax, 0
.L10:
        test    al, al
        je      .L11
        mov     eax, DWORD PTR [rbp-20]
        movsx   rdx, eax
        mov     rax, QWORD PTR [rbp-8]
        mov     rsi, rdx
        mov     rdi, rax
        call    std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >::operator[](unsigned long)
        movzx   eax, BYTE PTR [rax]
        movsx   edx, al
        mov     rax, QWORD PTR [rbp-16]
        mov     esi, edx
        mov     rdi, rax
        call    std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >::operator+=(char)
.L11:
        mov     eax, DWORD PTR [rbp-20]
        lea     edx, [rax-1]
        mov     rcx, QWORD PTR [rbp-16]
        mov     rax, QWORD PTR [rbp-8]
        mov     rsi, rcx
        mov     rdi, rax
        call    createBackward(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >&, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >&, int)
        jmp     .L6
.L12:
        nop
.L6:
        leave
        ret
.LC0:
        .string "Enter: "
.LC1:
        .string "true"
.LC2:
        .string "false"
main:
        push    rbp
        mov     rbp, rsp
        push    rbx
        sub     rsp, 104
        lea     rax, [rbp-48]
        mov     rdi, rax
        call    std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >::basic_string() [complete object constructor]
        mov     esi, OFFSET FLAT:.LC0
        mov     edi, OFFSET FLAT:_ZSt4cout
        call    std::basic_ostream<char, std::char_traits<char> >& std::operator<< <std::char_traits<char> >(std::basic_ostream<char, std::char_traits<char> >&, char const*)
        lea     rax, [rbp-48]
        mov     rsi, rax
        mov     edi, OFFSET FLAT:_ZSt3cin
        call    std::basic_istream<char, std::char_traits<char> >& std::operator>><char, std::char_traits<char>, std::allocator<char> >(std::basic_istream<char, std::char_traits<char> >&, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >&)
        lea     rax, [rbp-80]
        mov     rdi, rax
        call    std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >::basic_string() [complete object constructor]
        lea     rax, [rbp-112]
        mov     rdi, rax
        call    std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >::basic_string() [complete object constructor]
        lea     rcx, [rbp-80]
        lea     rax, [rbp-48]
        mov     edx, 0
        mov     rsi, rcx
        mov     rdi, rax
        call    createForward(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >&, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >&, int)
        lea     rax, [rbp-48]
        mov     rdi, rax
        call    std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >::size() const
        sub     eax, 1
        mov     edx, eax
        lea     rcx, [rbp-112]
        lea     rax, [rbp-48]
        mov     rsi, rcx
        mov     rdi, rax
        call    createBackward(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >&, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >&, int)
        lea     rdx, [rbp-112]
        lea     rax, [rbp-80]
        mov     rsi, rdx
        mov     rdi, rax
        call    std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >::compare(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&) const
        test    eax, eax
        sete    al
        test    al, al
        je      .L14
        mov     esi, OFFSET FLAT:.LC1
        mov     edi, OFFSET FLAT:_ZSt4cout
        call    std::basic_ostream<char, std::char_traits<char> >& std::operator<< <std::char_traits<char> >(std::basic_ostream<char, std::char_traits<char> >&, char const*)
        mov     esi, OFFSET FLAT:_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_
        mov     rdi, rax
        call    std::basic_ostream<char, std::char_traits<char> >::operator<<(std::basic_ostream<char, std::char_traits<char> >& (*)(std::basic_ostream<char, std::char_traits<char> >&))
        jmp     .L15
.L14:
        mov     esi, OFFSET FLAT:.LC2
        mov     edi, OFFSET FLAT:_ZSt4cout
        call    std::basic_ostream<char, std::char_traits<char> >& std::operator<< <std::char_traits<char> >(std::basic_ostream<char, std::char_traits<char> >&, char const*)
        mov     esi, OFFSET FLAT:_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_
        mov     rdi, rax
        call    std::basic_ostream<char, std::char_traits<char> >::operator<<(std::basic_ostream<char, std::char_traits<char> >& (*)(std::basic_ostream<char, std::char_traits<char> >&))
.L15:
        mov     ebx, 0
        lea     rax, [rbp-112]
        mov     rdi, rax
        call    std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >::~basic_string() [complete object destructor]
        lea     rax, [rbp-80]
        mov     rdi, rax
        call    std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >::~basic_string() [complete object destructor]
        lea     rax, [rbp-48]
        mov     rdi, rax
        call    std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >::~basic_string() [complete object destructor]
        mov     eax, ebx
        jmp     .L21
        mov     rbx, rax
        lea     rax, [rbp-112]
        mov     rdi, rax
        call    std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >::~basic_string() [complete object destructor]
        lea     rax, [rbp-80]
        mov     rdi, rax
        call    std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >::~basic_string() [complete object destructor]
        jmp     .L18
        mov     rbx, rax
.L18:
        lea     rax, [rbp-48]
        mov     rdi, rax
        call    std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >::~basic_string() [complete object destructor]
        mov     rax, rbx
        mov     rdi, rax
        call    _Unwind_Resume
.L21:
        mov     rbx, QWORD PTR [rbp-8]
        leave
        ret