/in/foo.cc: In function 'int main()':
/in/foo.cc:17:4: error: expected '}' before 'else'
   17 |    else
      |    ^~~~
/in/foo.cc:10:6: note: to match this '{'
   10 |      {
      |      ^
/in/foo.cc:29:2: error: expected '}' at end of input
   29 | }
      |  ^
/in/foo.cc:8:4: note: to match this '{'
    8 |    {
      |    ^
/in/foo.cc:29:2: error: expected '}' at end of input
   29 | }
      |  ^
/in/foo.cc:4:1: note: to match this '{'
    4 | {
      | ^