#include <bits/stdc++.h>
using namespace std;
int main() {
  int z[6] = {1, 0, 0, 1, 2, 2};
  int r[6] = {2, 2, 1, 0, 0, 1};
  int l[6] = {0, 1, 2, 2, 1, 0};
  long long int m, n, num;
  while (cin >> m >> n) {
    num = m % 6;
    if (z[num] == n) {
      cout << 1 << endl;
    } else if (r[num] == n) {
      cout << 2 << endl;
    } else {
      cout << 0 << endl;
    }
  }
  return 0;
}
