foo.cc:11:14: error: stray '\342' in program
   11 |     cout<<a<<“,”<<b;
      |              ^
foo.cc:11:15: error: stray '\200' in program
   11 |     cout<<a<<“,”<<b;
      |               ^
foo.cc:11:16: error: stray '\234' in program
   11 |     cout<<a<<“,”<<b;
      |                ^
foo.cc:11:18: error: stray '\342' in program
   11 |     cout<<a<<“,”<<b;
      |                  ^
foo.cc:11:19: error: stray '\200' in program
   11 |     cout<<a<<“,”<<b;
      |                   ^
foo.cc:11:20: error: stray '\235' in program
   11 |     cout<<a<<“,”<<b;
      |                    ^
foo.cc: In function 'int main()':
foo.cc:11:17: error: expected primary-expression before ',' token
   11 |     cout<<a<<“,”<<b;
      |                 ^
foo.cc:11:21: error: expected primary-expression before '<<' token
   11 |     cout<<a<<“,”<<b;
      |                     ^~

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