N = int(input()) C = N + 10 P = 998244353 fact = [1] * C fact_inv = [1] * C for i in range(2,C): fact[i] = fact[i-1] * i % P fact_inv[-1] = pow(fact[-1],P-2,P) for i in range(C-2,0,-1): fact_inv[i] = fact_inv[i+1] * (i+1) % P def comb(n,k): return fact[n] * fact_inv[k] % P * fact_inv[n-k] % P for i in range(N): k = i + 1 ans = k * fact[k] * fact[N -k + 1] % P * comb(N+1,k+1) % P print(ans)