/in/foo.cc: In function 'int main()':
/in/foo.cc:5:2: error: 'x' was not declared in this scope
  x,y,z;
  ^
/in/foo.cc:5:4: error: 'y' was not declared in this scope
  x,y,z;
    ^
/in/foo.cc:5:6: error: 'z' was not declared in this scope
  x,y,z;
      ^