#include <bits/stdc++.h>
using namespace std;

int main() {
    int64_t a, n;
    cin >> a >> n;
    
    auto pow_mod = [](int64_t a, int64_t n, int64_t m) {
        int64_t ret = 1;
        for (; 0 < n; n >>= 1) {
            if (n & 1) {
                (ret *= a) %= m;
            }
            (a *= a) %= m;
        }
        return ret;
    };
    
    int64_t m = 998244353;
    
    cout << m << endl;
    cout << pow_mod(a, n, m) << endl;
    
    return 0;
}