#include<bits/stdc++.h> 
using namespace std;
const int64_t mod=998244353;
int main(){
  int n;
  cin>>n;
  vector<int>sieve(n+1);
  iota(sieve.begin(),sieve.end(),0);
  for(int64_t i=2;i<=n;i++){
    if(sieve[i]!=i)continue;
    for(int64_t j=i*i;j<=n;j+=i){
      sieve[j]=i;
    }
  }
  int skip=n;
  while(sieve[skip]!=skip)skip--;
  map<int,int>divr;
  for(int i=2;i<=n;i++){
    if(i==skip)continue;
    int t=i;
    map<int,int>cnt;
    while(sieve[t]!=1){
      cnt[sieve[t]]++;
      t/=sieve[t];
    }
    for(auto j:cnt){
      divr[j.first]=max(divr[j.first],j.second);
    }
  }
  int64_t ans=1;
  for(auto i:divr){
    for(int j=0;j<i.second;j++){
      ans=ans*i.first%mod;
    }
  }
  cout<<ans<<'\n';
}