#include <iostream>
using namespace std;
long long int factorial(int n){
long long int a = 1;
for (int i = (n + 9); i > n; i--) a = a * i;
return a;
}
int main()
{
int n;
cin >> n;
long long int fact = 1;
for (int i = 2; i <= 9; i++) fact = fact * i;
cout << (factorial(n) / fact);
return 0;
}