foo.cc:1:1: error: 'include' does not name a type
    1 | include<iostream>
      | ^~~~~~~
foo.cc: In function 'int main()':
foo.cc:8:1: error: 'cout' was not declared in this scope
    8 | cout<<x1+x2<<endl;
      | ^~~~
foo.cc:8:14: error: 'endl' was not declared in this scope
    8 | cout<<x1+x2<<endl;
      |              ^~~~
foo.cc:10:7: error: 'xi' was not declared in this scope; did you mean 'x2'?
   10 | cout<<xi%x2<<endl;
      |       ^~
      |       x2
foo.cc:12:1: error: 'system' was not declared in this scope
   12 | system("pause")
      | ^~~~~~

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