.LC0:
        .string "rac"
.LC1:
        .string "eca"
.LC2:
        .string ""
.LC3:
        .string "e"
main:
        push    rbp
        mov     rbp, rsp
        push    rbx
        sub     rsp, 264
        lea     rax, [rbp-131]
        mov     QWORD PTR [rbp-40], rax
        nop
        nop
        lea     rdx, [rbp-131]
        lea     rax, [rbp-176]
        mov     esi, OFFSET FLAT:.LC0
        mov     rdi, rax
        call    std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >::basic_string<std::allocator<char> >(char const*, std::allocator<char> const&)
        lea     rax, [rbp-131]
        mov     rdi, rax
        call    std::__new_allocator<char>::~__new_allocator() [base object destructor]
        nop
        lea     rax, [rbp-130]
        mov     QWORD PTR [rbp-48], rax
        nop
        nop
        lea     rdx, [rbp-130]
        lea     rax, [rbp-208]
        mov     esi, OFFSET FLAT:.LC1
        mov     rdi, rax
        call    std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >::basic_string<std::allocator<char> >(char const*, std::allocator<char> const&)
        lea     rax, [rbp-130]
        mov     rdi, rax
        call    std::__new_allocator<char>::~__new_allocator() [base object destructor]
        nop
        lea     rax, [rbp-129]
        mov     QWORD PTR [rbp-56], rax
        nop
        nop
        lea     rdx, [rbp-129]
        lea     rax, [rbp-240]
        mov     esi, OFFSET FLAT:.LC2
        mov     rdi, rax
        call    std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >::basic_string<std::allocator<char> >(char const*, std::allocator<char> const&)
        lea     rax, [rbp-129]
        mov     rdi, rax
        call    std::__new_allocator<char>::~__new_allocator() [base object destructor]
        nop
        mov     DWORD PTR [rbp-20], 0
        jmp     .L7
.L12:
        mov     DWORD PTR [rbp-24], 0
        jmp     .L8
.L9:
        lea     rax, [rbp-176]
        mov     esi, OFFSET FLAT:.LC3
        mov     rdi, rax
        call    std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >::operator+=(char const*)
        lea     rax, [rbp-208]
        mov     rdi, rax
        call    std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >::length() const
        lea     rdx, [rax-1]
        lea     rax, [rbp-128]
        lea     rsi, [rbp-208]
        mov     rcx, rdx
        mov     edx, 0
        mov     rdi, rax
        call    std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >::substr(unsigned long, unsigned long) const
        lea     rdx, [rbp-128]
        lea     rax, [rbp-208]
        mov     rsi, rdx
        mov     rdi, rax
        call    std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >::operator=(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >&&)
        lea     rax, [rbp-128]
        mov     rdi, rax
        call    std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >::~basic_string() [complete object destructor]
        add     DWORD PTR [rbp-24], 1
.L8:
        cmp     DWORD PTR [rbp-24], 0
        jle     .L9
        mov     DWORD PTR [rbp-28], 0
        jmp     .L10
.L11:
        mov     edx, DWORD PTR [rbp-20]
        mov     eax, DWORD PTR [rbp-28]
        mov     esi, edx
        mov     edi, eax
        call    __gnu_cxx::__promote_2<decltype (((__gnu_cxx::__promote_2<int, std::__is_integer<int>::__value>::__type)(0))+((__gnu_cxx::__promote_2<int, std::__is_integer<int>::__value>::__type)(0))), std::__is_integer<decltype (((__gnu_cxx::__promote_2<int, std::__is_integer<int>::__value>::__type)(0))+((__gnu_cxx::__promote_2<int, std::__is_integer<int>::__value>::__type)(0)))>::__value>::__type std::pow<int, int>(int, int)
        cvttsd2si       eax, xmm0
        movsx   rdx, eax
        lea     rax, [rbp-96]
        lea     rsi, [rbp-208]
        mov     ecx, 1
        mov     rdi, rax
        call    std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >::substr(unsigned long, unsigned long) const
        lea     rdx, [rbp-96]
        lea     rax, [rbp-240]
        mov     rsi, rdx
        mov     rdi, rax
        call    std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >::operator+=(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&)
        lea     rax, [rbp-96]
        mov     rdi, rax
        call    std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >::~basic_string() [complete object destructor]
        add     DWORD PTR [rbp-28], 1
.L10:
        cmp     DWORD PTR [rbp-28], 2
        jle     .L11
        add     DWORD PTR [rbp-20], 1
.L7:
        cmp     DWORD PTR [rbp-20], 0
        jle     .L12
        lea     rdx, [rbp-240]
        lea     rax, [rbp-176]
        mov     rsi, rdx
        mov     rdi, rax
        call    std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >::append(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&)
        mov     rdx, rax
        lea     rax, [rbp-272]
        mov     rsi, rdx
        mov     rdi, rax
        call    std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >::basic_string(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&) [complete object constructor]
        mov     DWORD PTR [rbp-32], 0
        jmp     .L13
.L14:
        lea     rax, [rbp-272]
        mov     rsi, rax
        mov     edi, OFFSET FLAT:_ZSt4cout
        call    std::basic_ostream<char, std::char_traits<char> >& std::operator<< <char, std::char_traits<char>, std::allocator<char> >(std::basic_ostream<char, std::char_traits<char> >&, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<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> >&))
        add     DWORD PTR [rbp-32], 1
.L13:
        cmp     DWORD PTR [rbp-32], 0
        jle     .L14
        mov     ebx, 0
        lea     rax, [rbp-272]
        mov     rdi, rax
        call    std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >::~basic_string() [complete object destructor]
        lea     rax, [rbp-240]
        mov     rdi, rax
        call    std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >::~basic_string() [complete object destructor]
        lea     rax, [rbp-208]
        mov     rdi, rax
        call    std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >::~basic_string() [complete object destructor]
        lea     rax, [rbp-176]
        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     .L30
        mov     rbx, rax
        lea     rax, [rbp-131]
        mov     rdi, rax
        call    std::__new_allocator<char>::~__new_allocator() [base object destructor]
        nop
        mov     rax, rbx
        mov     rdi, rax
        call    _Unwind_Resume
        mov     rbx, rax
        lea     rax, [rbp-130]
        mov     rdi, rax
        call    std::__new_allocator<char>::~__new_allocator() [base object destructor]
        nop
        jmp     .L18
        mov     rbx, rax
        lea     rax, [rbp-129]
        mov     rdi, rax
        call    std::__new_allocator<char>::~__new_allocator() [base object destructor]
        nop
        jmp     .L20
        mov     rbx, rax
        lea     rax, [rbp-96]
        mov     rdi, rax
        call    std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >::~basic_string() [complete object destructor]
        jmp     .L22
        mov     rbx, rax
        lea     rax, [rbp-272]
        mov     rdi, rax
        call    std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >::~basic_string() [complete object destructor]
        jmp     .L22
        mov     rbx, rax
.L22:
        lea     rax, [rbp-240]
        mov     rdi, rax
        call    std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >::~basic_string() [complete object destructor]
.L20:
        lea     rax, [rbp-208]
        mov     rdi, rax
        call    std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >::~basic_string() [complete object destructor]
.L18:
        lea     rax, [rbp-176]
        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
.L30:
        mov     rbx, QWORD PTR [rbp-8]
        leave
        ret
.LC4:
        .string "basic_string: construction from null is not valid"