#include <iostream>
#include <vector>
#include <math.h>
#include <bits/stdc++.h>

#define rep(i, n) for(int i = 0; i < n; i++)

using namespace std;

template<class T> inline bool chmax(T& a, T b) { if (a < b) { a = b; return 1; } return 0; }
template<class T> inline bool chmin(T& a, T b) { if (a > b) { a = b; return 1; } return 0; }

int main() {
    long long l;
    cin >> l;
    long long sa = l - 1;
    long long ans = 1;
    for(int i = 1; i <= 11; i++){
        ans *= sa;
        ans /= i;
        sa--;
    }
    cout << ans << endl;
}
#include<bits/stdc++.h>
#define ll long long
#define M 1000000007
using namespace std;
int main()
{
   ios::sync_with_stdio(0);
   cin.tie(0);
   srand(chrono::high_resolution_clock::now().time_since_epoch().count());
   int n;
   cin>>n;
   float res = 1.08*n;
   res = round(res);
  // cout<<res<<"\n";
   if(res<206)
     cout<<"Yay!"<<"\n";
   else if(res==206.0)
    cout<<"so-so"<<"\n";
   else
    cout<<":("<<"\n";
   return 0;
}
