foo.c: In function 'main':
foo.c:21:48: warning: format '%d' expects a matching 'int' argument [-Wformat=]
   21 |                                 printf("%d %d %d",a,b);
      |                                               ~^
      |                                                |
      |                                                int
foo.c:39:48: warning: format '%d' expects a matching 'int' argument [-Wformat=]
   39 |                                 printf("%d %d %d",b,a);
      |                                               ~^
      |                                                |
      |                                                int

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