Main.cc: In function ‘int main()’:
Main.cc:8:9: error: no match for ‘operator<<’ (operand types are ‘std::istream {aka std::basic_istream}’ and ‘int’)
cin<
Main.cc:8:9: note: no known conversion for argument 1 from ‘std::istream {aka std::basic_istream}’ to ‘int’
In file included from /usr/include/c++/7/string:52:0,
from /usr/include/c++/7/bits/locale_classes.h:40,
from /usr/include/c++/7/bits/ios_base.h:41,
from /usr/include/c++/7/ios:42,
from /usr/include/c++/7/ostream:38,
from /usr/include/c++/7/iostream:39,
from Main.cc:1:
/usr/include/c++/7/bits/basic_string.h:6284:5: note: candidate: template std::basic_ostream<_CharT, _Traits>& std::operator<<(std::basic_ostream<_CharT, _Traits>&, const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&)
operator<<(basic_ostream<_CharT, _Traits>& __os,
^~~~~~~~
/usr/include/c++/7/bits/basic_string.h:6284:5: note: template argument deduction/substitution failed:
Main.cc:8:14: note: ‘std::istream {aka std::basic_istream}’ is not derived from ‘std::basic_ostream<_CharT, _Traits>’
cin<