#include <bits/stdc++.h>
using namespace std;
const long long MOD = 998244353;
int main(){
  int N;
  cin >> N;
  vector<int> mf(N + 1, -1);
  for (int i = 1; i <= N; i++){
    mf[i] = i;
  }
  for (int i = 2; i <= N; i++){
    if (mf[i] == i){
      for (int j = i * 2; j <= N; j += i){
        mf[j] = i;
      }
    }
  }
  int cnt = 0;
  vector<int> pcnt(N + 1, -1);
  vector<int> prime;
  for (int i = 2; i <= N; i++){
    if (mf[i] == i){
      pcnt[i] = cnt;
      cnt++;
      prime.push_back(i);
    }
  }
  vector<int> mx(cnt, 0);
  for (int i = 1; i < N; i++){
    map<int, int> mp;
    int a = i;
    while (a > 1){
      mp[pcnt[mf[a]]]++;
      a /= mf[a];
    }
    int b = N - i;
    while (b > 1){
      mp[pcnt[mf[b]]]++;
      b /= mf[b];
    }
    for (auto P : mp){
      mx[P.first] = max(mx[P.first], P.second);
    }
  }
  long long ans = 1;
  for (int i = 0; i < cnt; i++){
    for (int j = 0; j < mx[i]; j++){
      ans *= prime[i];
      ans %= MOD;
    }
  }
  cout << ans << endl;
}