import java.io.FileNotFoundException;
import java.math.BigInteger;
import java.util.Arrays;
import java.util.Scanner;

public class Main {
	public static void main(String[] args) throws FileNotFoundException {
		long t = System.currentTimeMillis();
		new Main().run();
		System.err.println(System.currentTimeMillis() - t);
	}
	
	void run() {
		Scanner sc = new Scanner(System.in);
		BigInteger N=new BigInteger(sc.next()).mod(BigInteger.valueOf(6));
		BigInteger K=new BigInteger(sc.next());
		
		N=N.modPow(K, BigInteger.valueOf(6));
		int[] ans=new int[] {2,8,5,7,1,4};
		System.out.println(ans[N.intValue()-1]);
	}


	static void tr(Object... objects) {
		System.out.println(Arrays.deepToString(objects));
	}

}