#include <iostream>
#define int long long
using namespace std;

int memo[1000010][10];

int comb(int n, int k) {
	if (k < 0 || n < k) return 0;
	if (k == 0) return 1;
	if (memo[n][k] >= 1) return memo[n][k];
	return memo[n][k] = (comb(n - 1, k - 1) + comb(n - 1, k)) % 1000000007;	//選ぶ + 選ばない
}

signed main() {
	int n;
	
	cin >> n;
	cout << comb(9 + n, 9) << endl;
	return 0;
}