/in/foo.cc:1:2: error: invalid preprocessing directive #incldue
 #incldue<iostream>
  ^~~~~~~
/in/foo.cc: In function 'int main()':
/in/foo.cc:6:5: error: 'cin' was not declared in this scope
     cin>>a>>b;
     ^~~
/in/foo.cc:7:5: error: 'cout' was not declared in this scope
     cout<<a+b;
     ^~~~