#include <iostream>
#include <vector>
#include <algorithm>
#include <map>
#include <stack>
#include <queue>
using namespace std;

const long long MOD=998244353;
long long f[1001][1001],c[1001][1001];
long long fc[1001];
long long ans[1001];
bool added[1001][1001];


main() {
    long long q;
    cin>>q;

    f[0][0]=1;

    for (int i=0;i<=q;i++)
    for (int j=0;j<=i;j++) {
        if (j==0) c[i][j]=1;
        else if (i==j) c[i][j]=1;
        else if (j==1) c[i][j]=i;
        else c[i][j]=(c[i-1][j-1]+c[i-1][j])%MOD;
    }

    for (int n=1;n<=q;n++) {
        for (int first=1;first<=((n+1)/2);first++) {

            int Lside=max(0,first-2);
            int Rside=max(0,n-first-1);

            for (int Ltake=(Lside+2)/3;Ltake<=(Lside+1)/2;Ltake++) // optimize
                for (int Rtake=(Rside+2)/3;Rtake<=(Rside+1)/2;Rtake++) // optimize
                    {
                        long long val=(((f[Lside][Ltake]*f[Rside][Rtake])%MOD)*c[Ltake+Rtake][Ltake])%MOD;
                        if ( first < (n-first+1) ) val=(val*2LL)%MOD;
                        f[n][1+Ltake+Rtake]+=val;
                        f[n][1+Ltake+Rtake]%=MOD;
                    }
        }
    }


    fc[0]=1;
    for (long long x=1;x<=q;x++)
        fc[x]=(fc[x-1]*x)%MOD;

    for (int n=q;n<=q;n++) {
        ans[n]=0;
        for (int i=(n+2)/3;i<=(n+1)/2;i++)
            if (f[n][i]) {
                ans[n]+=(f[n][i]*fc[n-i])%MOD;
                ans[n]%=MOD;
            }
    }

    cout<<ans[q]<<endl;

}