foo.c: In function 'main':
foo.c:8:2: warning: 'gets' is deprecated [-Wdeprecated-declarations]
    8 |  gets(s);
      |  ^~~~
In file included from /usr/include/stdio.h:867,
                 from foo.c:3:
/usr/include/x86_64-linux-gnu/bits/stdio2.h:235:1: note: declared here
  235 | gets (char *__str)
      | ^~~~
foo.c:15:2: warning: this 'else' clause does not guard... [-Wmisleading-indentation]
   15 |  else
      |  ^~~~
foo.c:43:3: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'else'
   43 |   printf("Y");
      |   ^~~~~~
foo.c:8:2: warning: ignoring return value of 'gets', declared with attribute warn_unused_result [-Wunused-result]
    8 |  gets(s);
      |  ^~~~~~~
/usr/bin/ld: /tmp/ccRoe4Xd.o: in function `main':
foo.c:(.text.startup+0x25): warning: the `gets' function is dangerous and should not be used.

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