#include "bits/stdc++.h"
using namespace std;



int main()
{
    uint64_t N;
    cin >> N;

    auto N2 = N * N;
    uint64_t p = 1, q = 1;
    for (uint64_t i = 1; i <= N; i++) {
        p *= (N2 - i + 1);
        q *= i;
    }
    auto ans = (p / q) % 998244353;
    cout << ans << endl;
}