#include using namespace std; #define rep(i, n) for (ll i = 0; i < (n); ++i) #define rrep(i, n) for (ll i = n; i > 0; --i) #define bitrep(i, n) for (ll i = 0; i < (1 << n); ++i) #define all(a) (a).begin(), (a).end() #define rall(a) (a).rbegin(), (a).rend() #define yesNo(b) ((b) ? "Yes" : "No") using ll = long long; using ull = unsigned long long; using ld = long double; string alphabet = "abcdefghijklmnopqrstuvwxyz"; string ALPHABET = "ABCDEFGHIJKLMNOPQRSTUVWXYZ"; const double pi = 3.141592653589793; int smallMOD = 998244353; int bigMOD = 1000000007; ll repeated_squaring(ll x, ll y, ll z = smallMOD) { ll ans = 1; bitset<64> bits(y); string bit_str = bits.to_string(); reverse(all(bit_str)); rep(i, 64) { if (bit_str[i] == '1') ans = ans * x % z; x = x * x % z; } return ans; } int main() { ll a, b; cin >> a >> b; cout << smallMOD << endl; cout << repeated_squaring(a, b) << endl; return 0; }