/in/foo.cc: In function 'void solve()':
/in/foo.cc:38:16: error: no match for 'operator>>' (operand types are 'std::istream' {aka 'std::basic_istream<char>'} and '__int128')
   38 |     int n;  cin>>n>>m;
      |             ~~~^~~
      |             |    |
      |             |    __int128
      |             std::istream {aka std::basic_istream<char>}
In file included from /usr/include/c++/12/sstream:38,
                 from /usr/include/c++/12/complex:45,
                 from /usr/include/c++/12/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/12/bits/stdc++.h:54,
                 from /in/foo.cc:1:
/usr/include/c++/12/istream:120:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(__istream_type& (*)(__istream_type&)) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]' (near match)
  120 |       operator>>(__istream_type& (*__pf)(__istream_type&))
      |       ^~~~~~~~
/usr/include/c++/12/istream:120:7: note:   conversion of argument 1 would be ill-formed:
/in/foo.cc:38:18: error: invalid conversion from '__int128' to 'std::basic_istream<char>::__istream_type& (*)(std::basic_istream<char>::__istream_type&)' {aka 'std::basic_istream<char>& (*)(std::basic_istream<char>&)'} [-fpermissive]
   38 |     int n;  cin>>n>>m;
      |                  ^
      |                  |
      |                  __int128
/usr/include/c++/12/istream:124:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(__ios_type& (*)(__ios_type&)) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>; __ios_type = std::basic_ios<char>]' (near match)
  124 |       operator>>(__ios_type& (*__pf)(__ios_type&))
      |       ^~~~~~~~
/usr/include/c++/12/istream:124:7: note:   conversion of argument 1 would be ill-formed:
/in/foo.cc:38:18: error: invalid conversion from '__int128' to 'std::basic_istream<char>::__ios_type& (*)(std::basic_istream<char>::__ios_type&)' {aka 'std::basic_ios<char>& (*)(std::basic_ios<char>&)'} [-fpermissive]
   38 |     int n;  cin>>n>>m;
      |                  ^
      |                  |
      |                  __int128
/usr/include/c++/12/istream:131:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(std::ios_base& (*)(std::ios_base&)) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]' (near match)
  131 |       operator>>(ios_base& (*__pf)(ios_base&))
      |       ^~~~~~~~
/usr/include/c++/12/istream:131:7: note:   conversion of argument 1 would be ill-formed:
/in/foo.cc:38:18: error: invalid conversion from '__int128' to 'std::ios_base& (*)(std::ios_base&)' [-fpermissive]
   38 |     int n;  cin>>n>>m;
      |                  ^
      |                  |
      |                  __int128
/usr/include/c++/12/istream:168:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(bool&) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]' (near match)
  168 |       operator>>(bool& __n)
      |       ^~~~~~~~
/usr/include/c++/12/istream:168:7: note:   conversion of argument 1 would be ill-formed:
/in/foo.cc:38:18: error: cannot bind non-const lvalue reference of type 'bool&' to a value of type '__int128'
   38 |     int n;  cin>>n>>m;
      |                  ^
/usr/include/c++/12/istream:172:7: note: candidate: 'std::basic_istream<_CharT, _Traits>& std::basic_istream<_CharT, _Traits>::operator>>(short int&) [with _CharT = char; _Traits = std::char_traits<char>]' (near match)
  172 |       operator>>(short& __n);
      |       ^~~~~~~~
/usr/include/c++/12/istream:172:7: note:   conversion of argument 1 would be ill-formed:
/in/foo.cc:38:18: error: cannot bind non-const lvalue reference of type 'short int&' to a value of type '__int128'
   38 |     int n;  cin>>n>>m;
      |                  ^
/usr/include/c++/12/istream:175:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(short unsigned int&) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]' (near match)
  175 |       operator>>(unsigned short& __n)
      |       ^~~~~~~~
/usr/include/c++/12/istream:175:7: note:   conversion of argument 1 would be ill-formed:
/in/foo.cc:38:18: error: cannot bind non-const lvalue reference of type 'short unsigned int&' to a value of type '__int128'
   38 |     int n;  cin>>n>>m;
      |                  ^
/usr/include/c++/12/istream:179:7: note: candidate: 'std::basic_istream<_CharT, _Traits>& std::basic_istream<_CharT, _Traits>::operator>>(int&) [with _CharT = char; _Traits = std::char_traits<char>]' (near match)
  179 |       operator>>(int& __n);
      |       ^~~~~~~~
/usr/include/c++/12/istream:179:7: note:   conversion of argument 1 would be ill-formed:
/in/foo.cc:38:18: error: cannot bind non-const lvalue reference of type 'int&' to a value of type '__int128'
   38 |     int n;  cin>>n>>m;
      |                  ^
/usr/include/c++/12/istream:182:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(unsigned int&) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]' (near match)
  182 |       operator>>(unsigned int& __n)
      |       ^~~~~~~~
/usr/include/c++/12/istream:182:7: note:   conversion of argument 1 would be ill-formed:
/in/foo.cc:38:18: error: cannot bind non-const lvalue reference of type 'unsigned int&' to a value of type '__int128'
   38 |     int n;  cin>>n>>m;
      |                  ^
/usr/include/c++/12/istream:186:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(long int&) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]' (near match)
  186 |       operator>>(long& __n)
      |       ^~~~~~~~
/usr/include/c++/12/istream:186:7: note:   conversion of argument 1 would be ill-formed:
/in/foo.cc:38:18: error: cannot bind non-const lvalue reference of type 'long int&' to a value of type '__int128'
   38 |     int n;  cin>>n>>m;
      |                  ^
/usr/include/c++/12/istream:190:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(long unsigned int&) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]' (near match)
  190 |       operator>>(unsigned long& __n)
      |       ^~~~~~~~
/usr/include/c++/12/istream:190:7: note:   conversion of argument 1 would be ill-formed:
/in/foo.cc:38:18: error: cannot bind non-const lvalue reference of type 'long unsigned int&' to a value of type '__int128'
   38 |     int n;  cin>>n>>m;
      |                  ^
/usr/include/c++/12/istream:195:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(long long int&) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]' (near match)
  195 |       operator>>(long long& __n)
      |       ^~~~~~~~
/usr/include/c++/12/istream:195:7: note:   conversion of argument 1 would be ill-formed:
/in/foo.cc:38:18: error: cannot bind non-const lvalue reference of type 'long long int&' to a value of type '__int128'
   38 |     int n;  cin>>n>>m;
      |                  ^
/usr/include/c++/12/istream:199:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(long long unsigned int&) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]' (near match)
  199 |       operator>>(unsigned long long& __n)
      |       ^~~~~~~~
/usr/include/c++/12/istream:199:7: note:   conversion of argument 1 would be ill-form