#include<iostream>
using namespace std;

int main() {
	int a, b, c, d, n, e = 0;
	for (;;) {
		cin >> n;
		for (a = 0; a<10; a++) {
			for (b = 0; b<10; b++) {
				for (c = 0; c <10; c++) {
					for (d = 0; d <10; d++) {
						if (a + b + c + d == n)e++;
					}
				}
			}
		}
		cout << e << endl;
	}
	return 0;
}