foo.cc: In function 'int main()':
foo.cc:33:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   33 |  scanf("%d%d%d", &x, &y, &z);
      |  ~~~~~^~~~~~~~~~~~~~~~~~~~~~

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Found 10 testcases.
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