foo.cc:1:1: error: stray '##' in program
1 | ##include <iostream>
| ^~
foo.cc:1:3: error: 'include' does not name a type
1 | ##include <iostream>
| ^~~~~~~
foo.cc: In function 'int main()':
foo.cc:6:2: error: 'cin' was not declared in this scope
6 | cin>>n;
| ^~~
foo.cc:20:8: error: break statement not within loop or switch
20 | break;
| ^~~~~
foo.cc:31:7: error: 'cout' was not declared in this scope
31 | cout<<"Yes";
| ^~~~
foo.cc:36:5: error: 'cout' was not declared in this scope
36 | cout<<"No";
| ^~~~
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