foo.cc: In function 'int main()':
foo.cc:28:13: warning: format '%s' expects argument of type 'char*', but argument 2 has type 'char (*)[3000]' [-Wformat=]
   28 |     scanf("%s%s",&a,&b);
      |            ~^    ~~
      |             |    |
      |             |    char (*)[3000]
      |             char*
foo.cc:28:15: warning: format '%s' expects argument of type 'char*', but argument 3 has type 'char (*)[3000]' [-Wformat=]
   28 |     scanf("%s%s",&a,&b);
      |              ~^     ~~
      |               |     |
      |               char* char (*)[3000]

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