/in/foo.cc: In function 'int main()':
/in/foo.cc:7:10: error: no match for 'operator%' (operand types are 'std::__cxx11::string {aka std::__cxx11::basic_string<char>}' and 'int')
      if(s%3==3)
         ~^~
/in/foo.cc:10:17: error: no match for 'operator%' (operand types are 'std::__cxx11::string {aka std::__cxx11::basic_string<char>}' and 'int')
      } else if(s%5==5)
                ~^~
/in/foo.cc:13:21: error: no match for 'operator%' (operand types are 'std::__cxx11::string {aka std::__cxx11::basic_string<char>}' and 'int')
         }  else if(s%3==3&&s%5==5)
                    ~^~
/in/foo.cc:13:29: error: no match for 'operator%' (operand types are 'std::__cxx11::string {aka std::__cxx11::basic_string<char>}' and 'int')
         }  else if(s%3==3&&s%5==5)
                            ~^~