/in/foo.cc: In function 'int main()':
/in/foo.cc:10:28: error: lvalue required as left operand of assignment
   10 |         if ((b*b*b)+(c*c*c)+(d*d*d)=a) cout<<"YES"<<endl;
      |             ~~~~~~~~~~~~~~~^~~~~~~~
/in/foo.cc:11:26: error: 'ENDL' was not declared in this scope
   11 |         else cout<<"NO"<<ENDL;
      |                          ^~~~