Main.cc:1:1: error: 'include' does not name a type
    1 | include
      | ^~~~~~~
Main.cc: In function 'int main()':
Main.cc:10:9: error: 'printf' was not declared in this scope
   10 |         printf("%d", 63 - 105/30 - 126/42 - 105/35 + 1);
      |         ^~~~~~
Main.cc:1:1: note: 'printf' is defined in header '<cstdio>'; did you forget to '#include <cstdio>'?
  +++ |+#include <cstdio>
    1 | include