// #pragma GCC optimize("O3,unroll-loops,fast-math")
// #pragma GCC target("avx2,bmi,bmi2,lzcnt,popcnt")
#include <bits/stdc++.h>
#define ll long long
#define pii pair<int,int>
#define fi first
#define se second

using namespace std;

const int Nmax=4e3+5,inf=1e9,MOD=1e9+7;

int ans[Nmax],len;

void mult(int x) {
    int carry=0;
    for (int i=0; i<len; ++i) {
        carry+=ans[i]*x;
        ans[i]=carry%10;
        carry/=10;
    }
    while (carry) {
        ans[len++]=carry%10;
        carry/=10;
    }
}

int main() {
    ifstream cin("patrate2.in");
    ofstream cout("patrate2.out");

    int n;
    cin>>n;
    ans[0]=len=1;
    for (int i=1; i<=n; ++i) mult(i);
    for (int i=1; i<=n*n; ++i) mult(2);
    for (int i=len-1; i>=0; --i) cout<<ans[i];
    
    return 0;
}