#include<iostream>
#include<string>
#include<iomanip>
using namespace std;
#define int long long
#define rep(i,n) for(int i = 0; i < n; i++)
#define INF (long long)(1e18)
#define MOD (int)(1e9+7)
#define min(a,b) (a>b?b:a)
#define max(a,b) (a>b?a:b)
#define yn(f) (f?"Yes":"No")
#define YN(f) (f?"YES":"NO")
#define pro "はいプロ　世界一○○が上手　○○界のtourist　○○時代の終焉を告げる者　実質○○　○○するために生まれてきた男"
#define Answer_to_the_Ultimate_Question_of_Life_the_Universe_and_Everything 42

int mod = 6;

long long power(long long x, long long n){
	long long ans = 1;
	if(n==0) n = mod;
	while(n){
		if(n&1) ans *= x;
		n >>= 1;
		x *= x;
		x %= mod;
		ans%=mod;
	}
	return ans%mod;
}

signed main(){
	int x[] = {2,8,5,7,1,4};
	string n, k;
	int nsize, ksize;
	int N = 0, K = 0;
	
	cin>>n>>k;
	
	nsize = n.size();
	ksize = k.size();
	
	for(int i = 0; i < nsize; i++, N%=6)
		N = N*10+(n[i]-'0')%6;
	
	for(int i = 0; i < ksize; i++, K%=6)
		K = K*10+(k[i]-'0')%6;
	
	cout<<x[(power(N%6,K%6)+5)%6]<<endl;
	
	return 0;
}