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

inline int read() {
	int x = 0, f = 0; char ch = getchar();
	while(ch < '0' or ch > '9') f |= (ch == '-'), ch = getchar();
	while(ch >= '0' and ch <= '9') x = (x << 1) + (x << 3) + (ch ^ 48), ch = getchar();
	return f ? -x : x;
}

int __stk[128], __top;
inline void write(int x) {
    if(x < 0) putchar('-'), x = -x;
	do { __stk[++__top] = x % 10, x /= 10; } while(x);
	while (__top) putchar(__stk[__top--] + '0');
}

const int mod = 998244353;

void Min(int &x, int y) { y < x and (x = y); }
void Max(int &x, int y) { y > x and (x = y); }

void inc(int &x, int y) { (x += y) >= mod and (x -= mod); }
void mul(int &x, int y) { x = 1ll * x * y % mod; }

int q_pow(int x, int k) { int res = 1; for(; k; k >>= 1, mul(x, x)) if(k & 1) mul(res, x); return res; }

bool stmer;

const int N = 2e5 + 10;

int n, m, ans = 1, res = 1;

bool edmer;
signed main() {
	// freopen("T.in", "r", stdin);
	// freopen("T.out", "w", stdout);
	cerr << "[Memory] " << (&stmer - &edmer) / 1024 / 1024 << " MB\n";
	
    n = read(), m = read();
    write(q_pow(2, n)), putchar(' ');
    
    int tot = q_pow(2, m), fac = 1;

    for(int i = 1, now = 1; i <= n; i++) {
        mul(ans, (tot - now + mod) % mod);
        mul(res, (q_pow(2, n) - now + mod) % mod);
        mul(now, 2), mul(fac, i);
    }

    int inv = q_pow(fac, mod - 2);
    
    mul(ans, inv), mul(res, inv);

    write(ans), putchar(' ');

    write(1ll * ans * q_pow(res, mod - 2) % mod), putchar(' ');

    cerr << "[Runtime] " << (double) clock() / CLOCKS_PER_SEC << " seconds\n";
	return 0;
}