import sys
read = sys.stdin.buffer.read
readline = sys.stdin.buffer.readline
readlines = sys.stdin.buffer.readlines

import numpy as np

N, M = map(int, read().split())

MOD = 998244353

def cumprod(A, MOD = MOD):
    L = len(A); Lsq = int(L**.5+1)
    A = np.resize(A, Lsq**2).reshape(Lsq,Lsq)
    for n in range(1,Lsq):
        A[:,n] *= A[:,n-1]; A[:,n] %= MOD
    for n in range(1,Lsq):
        A[n] *= A[n-1,-1]; A[n] %= MOD
    return A.ravel()[:L]


def make_fact(U, MOD = MOD):
    x = np.arange(U, dtype = np.int64); x[0] = 1
    fact = cumprod(x, MOD)
    x = np.arange(U, 0, -1, dtype=np.int64); x[0] = pow(int(fact[-1]), MOD-2, MOD)
    fact_inv = cumprod(x, MOD)[::-1]
    fact.flags.writeable = False
    fact_inv.flags.writeable = False
    return fact,fact_inv


def make_power(a, L, MOD=MOD):
    B = L.bit_length()
    x = np.empty((1<<B), np.int64)
    x[0] = 1
    for n in range(B):
        x[1<<n:1<<(n+1)] = x[:1<<n] * a % MOD
        a *= a; a %= MOD
    x = x[:L]
    x.flags.writeable = False
    return x

pow_2 = make_power(2, M + 10, MOD)

answer = [0,0,0]

answer[0] = pow_2[N]

x = pow_2[M] - pow_2[:N]
answer[1] = cumprod(x)[-1]

x = pow_2[N] - pow_2[:N]
answer[2] = answer[1] * pow(int(cumprod(x)[-1]), MOD-2, MOD) % MOD

# 順序対じゃないよ！
_, fact_inv = make_fact(M + 10)
answer[1] *= fact_inv[N]
answer[1] %= MOD

print(*answer)