#include <bits/stdc++.h>
using namespace std;
long long int M = 998244353, q, n, p[300001], d[300001], fans, products[300001],
              invproducts[300001];
long long int power(long long int x, long long int n) {
  if (n == 0)
    return (long long)1;
  else if (n % 2 == 0)
    return power((x * x) % M, n / 2);
  else
    return (x * power((x * x) % M, (n - 1) / 2)) % M;
}
long long int cans(long long int p, long long int q) {
  return ((p * power(q, M - 2)) % M + M) % M;
}
void build() {
  products[0] = invproducts[0] = 1;
  for (long long int i = 1; i <= n; i++) {
    products[i] = (products[i - 1] * p[i]) % M;
    invproducts[i] = cans(1, products[i]);
  }
  return;
}
long long int querry(long long int l, long long int r) {
  return (products[r] * invproducts[l - 1]) % M;
}
long long int qvalue(long long int i, long long int j) {
  long long int prod = querry(i, j);
  long long int ans = (d[i - 1] * prod) % M;
  ans = ((d[j] - ans) % M + M) % M;
  return ans;
}
set<long long int> checkpoints;
void addcheckpoint(long long int id) {
  checkpoints.insert(id);
  auto it = checkpoints.find(id);
  auto it1 = prev(it);
  auto it2 = next(it);
  fans = ((fans - qvalue(*it1, *it2 - 1)) % M + M) % M;
  fans = (fans + qvalue(*it1, id - 1)) % M;
  fans = (fans + qvalue(id, *it2 - 1)) % M;
}
void delcheckpoint(long long int id) {
  auto it = checkpoints.find(id);
  auto it1 = prev(it);
  auto it2 = next(it);
  fans = ((fans + qvalue(*it1, *it2 - 1)) % M + M) % M;
  fans = ((fans - qvalue(*it1, id - 1)) % M + M) % M;
  fans = ((fans - qvalue(id, *it2 - 1)) % M + M) % M;
  checkpoints.erase(id);
}
int main() {
  cin >> n >> q;
  for (int i = 1; i <= n; i++) {
    long long int pr;
    cin >> pr;
    p[i] = cans(100, pr);
    d[i] = ((1 + d[i - 1]) * p[i]) % M;
  }
  build();
  checkpoints.insert(1);
  checkpoints.insert(n + 1);
  fans = d[n];
  while (q--) {
    long long int quer;
    cin >> quer;
    if (checkpoints.find(quer) == checkpoints.end())
      addcheckpoint(quer);
    else
      delcheckpoint(quer);
    cout << fans << endl;
  }
  return 0;
}
