foo.cc: In function 'int main()':
foo.cc:6:11: warning: 'char* gets(char*)' is deprecated [-Wdeprecated-declarations]
    6 |     gets(a);
      |           ^
In file included from /usr/include/stdio.h:867,
                 from foo.cc:1:
/usr/include/x86_64-linux-gnu/bits/stdio2.h:235:1: note: declared here
  235 | gets (char *__str)
      | ^~~~
foo.cc:6:11: warning: 'char* gets(char*)' is deprecated [-Wdeprecated-declarations]
    6 |     gets(a);
      |           ^
In file included from /usr/include/stdio.h:867,
                 from foo.cc:1:
/usr/include/x86_64-linux-gnu/bits/stdio2.h:235:1: note: declared here
  235 | gets (char *__str)
      | ^~~~
foo.cc:10:18: warning: this 'if' clause does not guard... [-Wmisleading-indentation]
   10 |             else if(a[i]>='a'&&a[i]<='z')
      |                  ^~
foo.cc:12:15: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'if'
   12 |               puts(a);
      |               ^~~~
foo.cc:6:9: warning: ignoring return value of 'char* gets(char*)', declared with attribute warn_unused_result [-Wunused-result]
    6 |     gets(a);
      |     ~~~~^~~
/usr/bin/ld: /tmp/cclqlYEx.o: in function `main':
foo.cc:(.text.startup+0x25): warning: the `gets' function is dangerous and should not be used.

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