#include <iostream>
#include <vector>
#include <algorithm>

using namespace std;

struct Comb
{
  std::vector<long long> fac, finv, inv;
  const int mod;
  Comb(const int max, const int m) : mod(m), fac(max + 5), finv(max + 5), inv(max + 5)
  {
    fac[0] = fac[1] = finv[0] = finv[1] = inv[1] = 1;
    for (int i = 2; i < max + 5; ++i)
    {
      fac[i] = fac[i - 1] * i % mod;
      inv[i] = mod - inv[mod % i] * (mod / i) % mod;
      finv[i] = finv[i - 1] * inv[i] % mod;
    }
  }
  long long c(int n, int k)
  {
    if (n < k || n < 0 || k < 0) return 0;
    return fac[n] * (finv[k] * finv[n - k] % mod) % mod;
  }
  long long p(int n, int k)
  {
    if (n < k || n < 0 || k < 0) return 0;
    return fac[n] * finv[n - k] % mod;
  }
};

long long pow(long long a, long long k, long long m)
{
  long long ret = 1;
  for (a %= m; k > 0; k >>= 1, a = a * a % m) if (k & 1) ret = ret * a % m;
  return ret;
}

int main()
{
  const int mod = 998244353;
  int x, k;
  cin >> x >> k;
  --k;
  Comb cb(3 * k, mod);
  vector<long long> cnt(k + 1);
  long long inv = pow(100, mod - 2, mod);
  for (int i = 0; i <= k; ++i)
  {
    int tmp = k + 3 - i;
    for (int j = 1; j * tmp - 2 <= k; ++j) cnt[i] = (cnt[i] + cb.c(2 * k, k + j * tmp) - cb.c(2 * k, k - 2 + j * tmp) + mod) % mod;
    for (int j = 0; k + j * tmp >= 0; --j) cnt[i] = (cnt[i] + cb.c(2 * k, k + j * tmp) - cb.c(2 * k, k - 2 + j * tmp) + mod) % mod;
  }
  long long ans = 1;
  for (int i = 0; i < k; ++i) ans = (ans + (cnt[i] - cnt[i + 1] + mod) * (k - i + 1)) % mod;
  long long p = x * pow(100, mod - 2, mod) % mod;
  ans = ans * pow(p, k + 1, mod) % mod * pow(mod + 1 - p, k + 1, mod) % mod;
  cout << ans << endl;
}