/in/foo.cc: In function 'int main()':
/in/foo.cc:13:10: error: expected primary-expression before ',' token
  if(c==a),cout<<"Yes";
          ^
/in/foo.cc:14:6: error: expected primary-expression before ',' token
  else,cout<<"No"
      ^
/in/foo.cc:7:6: warning: unused variable 'b' [-Wunused-variable]
  int b=0,c=0;
      ^