/in/foo.cc: In function 'int main()':
/in/foo.cc:6:25: warning: suggest parentheses around arithmetic in operand of '^' [-Wparentheses]
    6 |         if(n==n/100%10^3+n/10%10^3+n%10^3)
      |                        ~^~~~~~~~
/in/foo.cc:6:35: warning: suggest parentheses around arithmetic in operand of '^' [-Wparentheses]
    6 |         if(n==n/100%10^3+n/10%10^3+n%10^3)
      |                                  ~^~~~~
/in/foo.cc:10:17: error: expected '(' before 'cout'
   10 |                 cout<<"NO"<<endl;
      |                 ^~~~
      |                 (