foo.c: In function 'main':
foo.c:36:36: warning: unused variable 'Yes' [-Wunused-variable]
   36 |     int number, i, b = 0, num = 0, Yes, x = 0;
      |                                    ^~~
foo.c:36:27: warning: unused variable 'num' [-Wunused-variable]
   36 |     int number, i, b = 0, num = 0, Yes, x = 0;
      |                           ^~~
foo.c:37:5: warning: ignoring return value of 'scanf', declared with attribute warn_unused_result [-Wunused-result]
   37 |     scanf("%d", &number);
      |     ^~~~~~~~~~~~~~~~~~~~

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