import java.util.*;

public class Main {
	public static void main (String[] args) {
    	Scanner sc = new Scanner(System.in);
    	int n = getNum(sc.next().toCharArray());
    	int k = getNum(sc.next().toCharArray());
    	if (k == 0) {
    	    k = 6;
    	}
    	char[] arr = "285714".toCharArray();
    	int ans = 1;
    	for (int i = 0; i < k; i++) {
    	    ans *= n;
    	    ans %= 6;
    	}
    	ans = (ans - 1 + 6) % 6;
    	System.out.println(arr[ans]);
    }
    
    static int getNum(char[] arr) {
        int ans = 0;
        for (char c : arr) {
            ans = (ans * 10 + c - '0') % 6;
        }
        return ans;
    }
}