MOD = 998244353
n,m = map(int,input().split())
p2 = [1]*(m+1)
for i in range(m):
    p2[i+1] = p2[i]*2%MOD
a = pow(2,n,MOD)
b = c = f = 1
for i in range(n):
    b = b*(p2[m]-p2[i])%MOD
    c = c*(p2[n]-p2[i])%MOD
    f = f*(i+1)%MOD
print(a, b*pow(f,MOD-2,MOD)%MOD, b*pow(c,MOD-2,MOD)%MOD)