#include <bits/stdc++.h>
using namespace std;

int main() {
	string s = "142857";
	string sn, sk; cin >> sn >> sk;
	int n = 0; int k = (sk[sk.size()-1] - '0') % 2;
	for (int i = 0; i < (int) sn.size(); i++) {
		n = (n * 10 + (sn[i] - '0')) % 6;	
	}
	int ans[2][6] = {{2, 7, 5, 7, 2, 4}, {2, 8, 5, 7, 1, 4}};
	cout << ans[k][(n+5)%6] << endl;
	return 0;
}