use std::io::*; const MOD: usize = 998244353; fn main() { let mut s: String = String::new(); std::io::stdin().read_to_string(&mut s).ok(); let mut itr = s.trim().split_whitespace(); let n: usize = itr.next().unwrap().parse().unwrap(); let k: usize = itr.next().unwrap().parse().unwrap(); let mut dp1: Vec>> = vec![vec![vec![0; k + 1]; k + 1]; n + 1]; let mut dp2: Vec>> = vec![vec![vec![0; k + 1]; k + 1]; n + 1]; let mut u1: Vec> = vec![vec![0; k + 1]; k + 1]; let mut d1: Vec> = vec![vec![0; k + 1]; k + 1]; let mut u2: Vec> = vec![vec![0; k + 1]; k + 1]; let mut d2: Vec> = vec![vec![0; k + 1]; k + 1]; for a in 0..k { for b in 0..k - 1 { u1[b + 1][a] = u1[b][a] + 1; u2[b + 1][a] = u2[b][a] + a + b; } for b in (1..k).rev() { d1[b - 1][a] = d1[b][a] + 1; d2[b - 1][a] = d2[b][a] + a + b; } } for i in 1..n - 1 { for a in 0..k { for b in 0..k { if a < b { dp1[i][a][b] += (MOD + d1[b][a] + d1[a][a] - d1[b - 1][a]) % MOD; dp1[i][a][a] %= MOD; dp2[i][a][b] += (MOD + d2[b][a] + d2[a][a] - d2[b - 1][a] + b * (MOD + d1[b][a] + d1[a][a] - d1[b - 1][a]) % MOD) % MOD; dp2[i][a][b] %= MOD; } else if a > b { dp1[i][a][b] += (MOD + u1[a][a] - u1[b + 1][a] + u1[b][a]) % MOD; dp1[i][a][b] %= MOD; dp2[i][a][b] += (MOD + u2[a][a] - u2[b + 1][a] + u2[b][a] + b * (MOD + u1[a][a] - u1[b + 1][a] + u1[b][a]) % MOD) % MOD; dp2[i][a][b] %= MOD; } } } for a in 0..k { u1[0][a] = 0; d1[k - 1][a] = 0; u2[0][a] = 0; d2[k - 1][a] = 0; for b in 0..k - 1 { u1[b + 1][a] = u1[b][a] + dp1[i][b][a]; u1[b + 1][a] %= MOD; u2[b + 1][a] = u2[b][a] + dp2[i][b][a]; u2[b + 1][a] %= MOD; } for b in (1..k).rev() { d1[b - 1][a] = d1[b][a] + dp1[i][b][a]; d1[b - 1][a] %= MOD; d2[b - 1][a] = d2[b][a] + dp2[i][b][a]; d2[b - 1][a] %= MOD; } } } let mut ans1 = 0; let mut ans2 = 0; for i in 0..k { for j in 0..k { ans1 += dp1[n - 2][i][j]; ans2 += dp2[n - 2][i][j]; ans1 %= MOD; ans2 %= MOD; } } println!("{} {}", ans1, ans2); }