foo.c: In function 'main':
foo.c:7:21: warning: format '%d' expects a matching 'int' argument [-Wformat=]
    7 |         printf("%d+%d",x+y);
      |                    ~^
      |                     |
      |                     int
foo.c:8:24: error: expected ';' before '}' token
    8 |         return 0
      |                        ^
      |                        ;
    9 | }
      | ~                       

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