#include <bits/stdc++.h>
using namespace std;
// #include <atcoder/all>
// using namespace atcoder;

// #define int long long
#define rep(i, n) for (long long i = (long long)(0); i < (long long)(n); ++i)
#define reps(i, n) for (long long i = (long long)(1); i <= (long long)(n); ++i)
#define rrep(i, n) for (long long i = ((long long)(n)-1); i >= 0; i--)
#define rreps(i, n) for (long long i = ((long long)(n)); i > 0; i--)
#define irep(i, m, n) for (long long i = (long long)(m); i < (long long)(n); ++i)
#define ireps(i, m, n) for (long long i = (long long)(m); i <= (long long)(n); ++i)
#define irreps(i, m, n) for (long long i = ((long long)(n)-1); i > (long long)(m); ++i)
#define SORT(v, n) sort(v, v + n);
#define REVERSE(v, n) reverse(v, v+n);
#define vsort(v) sort(v.begin(), v.end());
#define all(v) v.begin(), v.end()
#define mp(n, m) make_pair(n, m);
#define cinline(n) getline(cin,n);
#define replace_all(s, b, a) replace(s.begin(),s.end(), b, a);
#define PI (acos(-1))
#define FILL(v, n, x) fill(v, v + n, x);
#define sz(x) (long long)(x.size())

using ll = long long;
using vi = vector<int>;
using vvi = vector<vi>;
using vll = vector<ll>;
using vvll = vector<vll>;
using pii = pair<int, int>;
using pll = pair<ll, ll>;
using vs = vector<string>;
using vpll = vector<pair<ll, ll>>;
using vtp = vector<tuple<ll,ll,ll>>;
using vb = vector<bool>;
using ld = long double;

template<class T> inline bool chmax(T& a, T b) { if (a < b) { a = b; return 1; } return 0; }
template<class T> inline bool chmin(T& a, T b) { if (a > b) { a = b; return 1; } return 0; }

template<class t> using vc=vector<t>;
template<class t> using vvc=vc<vc<t>>;

const ll INF = 1e9+10;
const ll MOD = 998244353;
const ll LINF = 1e18;

/// エラトステネスの篩
struct Eratosthenes{
  vector<bool> is_prime;
  /// nまでの素数一覧
  vector<int> primes;
  /// 整数xを割り切る最小の素数
  vector<int> min_prime_can_divide_x;
  
  Eratosthenes(const int n){
    min_prime_can_divide_x.resize(n+1);
    is_prime.assign(n+1, true);
    is_prime[0]=is_prime[1]=false;
    min_prime_can_divide_x[0]=min_prime_can_divide_x[1]=1;
    for(int i=2; i<=n; i++){
      if(is_prime[i]){
        for(int j=2*i; j<=n; j+=i){
          is_prime[j]=false;
          if(min_prime_can_divide_x[j]==0) min_prime_can_divide_x[j]=i;
        }
        primes.push_back(i);
        min_prime_can_divide_x[i]=i;
      }
    }
  }
  
  /**
   * xの素因数を取得
   * @param x n以下の数値を指定する必要がある
   */
  set<int> get_prime_factors(int x){
    set<int> s;
    while(x>1){
      s.insert(min_prime_can_divide_x[x]);
      x/=min_prime_can_divide_x[x];
    }
    return s;
  }
  
  map<int,int> get_prime_factors_map(int x){
    map<int,int> mp;
    while(x>1){
      mp[min_prime_can_divide_x[x]]++;
      x/=min_prime_can_divide_x[x];
    }
    return mp;
  }
};

ll modpow(ll a, ll n) {
  ll res = 1;
  while (n > 0) {
    if (n & 1) res = res * a % MOD;
    (a *= a) %= MOD;
    n >>= 1;
  }
  return res;
}

// 1 2 3 4 なら 4
// 1 2 3 4 5 最大の素数を除外？
// modを取りながら最小公倍数を求める
// 素因数に着目する
// 最大の素数を抜いたうえで、素因数の個数をカウント

signed main()
{
  cin.tie( 0 ); ios::sync_with_stdio( false );
  
  ll n; cin>>n;
  auto e=Eratosthenes(n);
  auto ma=e.primes.back();
  
  // if(n==2){
  //   cout<<1<<endl;
  //   return 0;
  // }else if(n==3){
  //   cout<<2<<endl;
  //   return 0;
  // }
  
  map<int,int> mp;
  reps(i,n){
    if(ma==i) continue;
    auto tmp=e.get_prime_factors_map(i);
    for(auto e: tmp){
      chmax(mp[e.first], e.second);
    }
  }
  ll ans=1;
  for(auto e: mp){
    rep(i,e.second){
      (ans*=e.first)%=MOD;
    }
  }
  cout<<ans<<endl;
  
}