Main.cc: In function 'int main()': Main.cc:14:26: error: expected primary-expression before 'char' cout<<(char)(a)<<" "(char)(b)<<" "<<(char)(c)<<" "<<(char)(d); ^ Main.cc:14:30: error: expression cannot be used as a function cout<<(char)(a)<<" "(char)(b)<<" "<<(char)(c)<<" "<<(char)(d); ^