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;
}
}