foo.c: In function 'main':
foo.c:5:10: warning: format '%d' expects argument of type 'int *', but argument 2 has type 'int' [-Wformat=]
    5 |  scanf("%d %d",x,y);
      |         ~^     ~
      |          |     |
      |          int * int
foo.c:5:13: warning: format '%d' expects argument of type 'int *', but argument 3 has type 'int' [-Wformat=]
    5 |  scanf("%d %d",x,y);
      |            ~^    ~
      |             |    |
      |             |    int
      |             int *
foo.c:5:2: warning: 'x' is used uninitialized [-Wuninitialized]
    5 |  scanf("%d %d",x,y);
      |  ^~~~~~~~~~~~~~~~~~
foo.c:5:2: warning: 'y' is used uninitialized [-Wuninitialized]

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