n=Scanf_Int();
        m=Scanf_Int();
        int[][] a={{0,1,2,2,1,0,0},{1,0,0,1,2,2,1},{2,2,1,0,0,1,2}};
        for (int i=0;i<=2;i++) {
           if (a[i][n % 6] == m) {
               out.println(i);
               break;
           }
        }