foo.cc:17:36: error: extended character 》 is not valid in an identifier
   17 |         cout << a[1] << " " << a[0]》<<endl;
      |                                    ^
foo.cc: In function 'int main()':
foo.cc:17:36: error: expected ';' before '\U0000300b'
   17 |         cout << a[1] << " " << a[0]》<<endl;
      |                                    ^~
      |                                    ;

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