: In function 'int main()':
:11:29: error: expected initializer before '==' token
   11 |                 bool isprime==true;
      |                             ^~
:15:33: error: 'isprime' was not declared in this scope; did you mean 'isprint'?
   15 |                                 isprime=false;
      |                                 ^~~~~~~
      |                                 isprint
:18:30: error: 'isprime' was not declared in this scope; did you mean 'isprint'?
   18 |                         }if(!isprime){
      |                              ^~~~~~~
      |                              isprint