#include #include #include #include #include #include #include #include #include #include #include #include #include #pragma region using namespace std; #define FOR(i,r,n) for(ll i = (ll)(r); i < (ll)(n); i++) #define rep(i,n) FOR(i,0LL,n) #define RFOR(i,r,n) for(ll i=(ll)(n-1);i>=r;i--) #define rrep(i,n) RFOR(i,0LL,n) #define all(x) x.begin(),x.end() #define rall(x) x.rbegin(),x.rend() #define COUNT(a,y,x) upper_bound(all(a), y) - lower_bound(all(a), x) #define UNIQUE(a) sort(all(a)); a.erase(unique(all(a)), a.end()) #define SUM(a) accumulate(all(a),0LL) #define pb push_back #define endl '\n' typedef long long int ll; typedef vector vll; typedef vector vvll; typedef pair pll; typedef vector vpll; typedef vector vs; typedef map MAP; const ll inf = 2222222222222222222LL; const ll mod = 1000000007LL; ll n = 0, m = 0, ans = 0, cnt = 0, tmp = 0, ma = -inf, mi = inf; string s; bool ok = true, flag = false; ll dx[5] = { 1,-1,0,0,0 }, dy[5] = { 0,0,1,-1,0 }; ll ddx[9] = { 1,-1,0,0,1,1,-1,-1,0 }, ddy[9] = { 0,0,1,-1,1,-1,1,-1,0 }; #pragma endregion #define MAX 222222 int main(void) { ios::sync_with_stdio(false); cin.tie(0); ll an[111]; an[0] = 2; an[1] = 8; an[2] = 5; an[3] = 7; an[4] = 1; an[5] = 4; string x, y; cin >> x; cin >> y; ll cur = 0; rep(i, x.length()) { if (i) cur *= 10; cur %= 6; cur += x[i] - '0'; cur %= 6; } n = cur; ans = 1; rep(i, y.length()) { cur = ans; if (i) rep(j, 10) ans *= cur; ans %= 6; cnt = y[i] - '0'; rep(j, cnt) ans *= n; ans %= 6; } ans = (ans + 6 - 1) % 6; cout << an[ans] << endl; return 0; }