#include <iostream>
#include <string>
#include <algorithm>
#include <vector>
#include <iomanip>
#include <cmath>
#include <stdio.h>
#include <queue>
#include <deque>
#include <cstdio>
#include <set>
#include <map>
#include <bitset>
#include <stack>
#include <cctype>
using namespace std;
string ans = ".285714";
int d[8] = { 0,1,4,3,4,1,6 };
int main() {
	string n, k;
	cin >> n >> k;
	int n1 = 0;
	for (int i = 0; i < n.size(); i++) {
		n1 *= 10;
		n1 += int(n[i] - '0');
		n1 %= 6;
	}
	if (n1 == 0) {
		n1 = 6;
	}
	if (k[k.size() - 1] % 2 == 0) {
		cout << ans[d[n1]] << endl;
	}
	else {
		cout << ans[n1] << endl;
	}
}