#include <bits/stdc++.h>

using namespace std;

#define REP(i,n) for(int i=0; i<(int)(n); i++)
#define FOR(i,b,e) for (int i=(int)(b); i<(int)(e); i++)
#define ALL(x) (x).begin(), (x).end()

const double PI = acos(-1);

int main() {
  ios_base::sync_with_stdio(0);
  cin.tie(0);

  string n, k;
  cin >> n >> k;

  int x = 0;
  for (char c: n) {
    x = 10 * x + (c - '0');
    x %= 6;
  }

  int last = k.back() - '0';
  int ret = 0;
  if (x == 0 || x == 1 | x == 3 || x == 4) 
    ret = x;
  else if (x == 2) {
    ret = last % 2 ? 2 : 4;
  } else {
    ret = last % 2 ? 5 : 1;
  }
  
  ret = (ret + 5) % 6;
  string s = "285714";
  cout << s[ret] << endl;
  
  return 0;
}