foo.cc: In function 'int main()':
foo.cc:30:14: error: expected '}' at end of input
   30 |    cout<<endl;
      |              ^
foo.cc:29:3: note: to match this '{'
   29 |   {
      |   ^
foo.cc:30:14: error: expected '}' at end of input
   30 |    cout<<endl;
      |              ^
foo.cc:25:2: note: to match this '{'
   25 |  {
      |  ^
foo.cc:30:14: error: expected '}' at end of input
   30 |    cout<<endl;
      |              ^
foo.cc:8:1: note: to match this '{'
    8 | {
      | ^

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