#include <bits/stdc++.h>
using namespace std;
int main(){
	ios::sync_with_stdio(0);
	cin.tie(0); cout.tie(0);
	int N; cin >> N; 
	int S[1000010] = {}; 
	for(int i = 2; i <= 1000000; i++){
		for(int j = 1; i * j <= 1000000; j++){
			if(S[i * j] == 0) S[i * j] = i; 
		}
	} 
	vector<pair<int, int>> A[1000010]; 
	for(int i = 2; i <= 1000000; i++){ 
		int n = 0; int tmp = i; 
		while(tmp % S[i] == 0){
			n ++; tmp /= S[i]; 
		}
		A[i] = A[tmp]; 
		A[i].push_back(make_pair(S[i], n)); 
	}
	int C[1000010] = {}; 
	for(int i = 1; i <= 1000000; i++){
		if(i > N - i) break; 
		map<int, int> mp; 
		for(auto p : A[i]) mp[p.first] += p.second; 
		for(auto p : A[N-i]) mp[p.first] += p.second;
		for(auto p : mp){
			C[p.first] = max(C[p.first], p.second); 
		}
	}
	long long ans = 1; 
	long long mod = 998244353; 
	for(int i = 1; i <= N; i++){
		for(int j = 0; j < C[i]; j++){
			ans *= (long long) i; ans %= mod; 
		}
	}
	cout << ans << "\n";
}