foo.c: In function 'main':
foo.c:12:9: warning: this 'if' clause does not guard... [-Wmisleading-indentation]
   12 |         if (r400 == 0 || (r100 != 0 && r4 == 0))
      |         ^~
foo.c:15:17: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'if'
   15 |                 if (month == 1 || month == 3 || month == 5 || month == 7 || month == 8 || month == 10 || month == 12)
      |                 ^~

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