foo.c: In function 'main':
foo.c:46:2: warning: ignoring return value of 'scanf', declared with attribute warn_unused_result [-Wunused-result]
   46 |  scanf("%d %d %d", &x, &y, &z);
      |  ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
foo.c:49:3: warning: ignoring return value of 'scanf', declared with attribute warn_unused_result [-Wunused-result]
   49 |   scanf("%d", &a[i]);
      |   ^~~~~~~~~~~~~~~~~~
foo.c:52:3: warning: ignoring return value of 'scanf', declared with attribute warn_unused_result [-Wunused-result]
   52 |   scanf("%d", &b[i]);
      |   ^~~~~~~~~~~~~~~~~~
foo.c:55:3: warning: ignoring return value of 'scanf', declared with attribute warn_unused_result [-Wunused-result]
   55 |   scanf("%d", &c[i]);
      |   ^~~~~~~~~~~~~~~~~~

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