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

#define int long long

const int MOD = 1e9 + 7;
const int INF = 1e9 + 9;
const int MX = 1e5 + 5;

int gcd(int a, int b) {
    if(b == 0) return a;
    return gcd(b, a%b);
}

int32_t main()
{
    int l;
    cin >> l;

    int den = 39916800;
    int num = 1;
    for(int i=1;i<=11;i++) {
        num = num * (l - i);
        int g = gcd(num, den);
        num = num/g;
        den = den/g;
    }
    cout << num/den << endl;

    return 0;
}
#include <stdio.h>
int main()
{
	int n;
	scanf("%d",&n);
	if(n<0)
	printf("0");
	else
	printf("%d",n);
}