foo.cc:5:8: warning: missing terminating " character
    5 |  cout<<" 123 124 125 126 127
      |        ^
foo.cc:5:8: error: missing terminating " character
    5 |  cout<<" 123 124 125 126 127
      |        ^~~~~~~~~~~~~~~~~~~~~
foo.cc:21:16: warning: missing terminating " character
   21 | 678 679 689 789"
      |                ^
foo.cc:21:16: error: missing terminating " character
foo.cc: In function 'int main()':
foo.cc:6:4: error: expected ';' before numeric constant
    6 | 128 129 134 135 136
      |    ^~~~
      |    ;

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