foo.cc:1:9: error: #include expects "FILENAME" or <FILENAME>
 #include#include <iostream>
         ^
foo.cc: In function 'int main()':
foo.cc:8:2: error: 'cin' was not declared in this scope
  cin >> n;
  ^~~
foo.cc:8:2: note: suggested alternative: 'sin'
  cin >> n;
  ^~~
  sin
foo.cc:19:3: error: 'cout' was not declared in this scope
   cout << "Yes";
   ^~~~
foo.cc:19:3: note: suggested alternative: 'cosl'
   cout << "Yes";
   ^~~~
   cosl
foo.cc:23:3: error: 'cout' was not declared in this scope
   cout << "No";
   ^~~~
foo.cc:23:3: note: suggested alternative: 'cosl'
   cout << "No";
   ^~~~
   cosl

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