public class Main {
	public static void main(String[] args) {

		int result = 0;
		
		for (int i = 1; i <= 12; i++) {
			for (int j = 0; j <= 3; j++) {
				for (int k = 0; k <= 9; k++) {
					if(j >= 3 && k >= 2) {
						break;
					} else if(j + k == i) {
						result += 1;
					}
				}
			}
		}

		System.out.println(result);
	}
}