import java.util.Scanner;

public class HelloWorld {

	    public static void main(String[] args) throws Exception {

	    	Scanner sc = new Scanner(System.in);
	    	int sum = sc.nextInt();
	    	int t = 5;
	    	int g = 2;
	    	int pg = 3;
	    	int count = 0;

	    	for (int number_pg = 0; number_pg <=sum / 3; number_pg ++) {
	    		for (int number_t = 0; number_t <= (sum - number_pg * 3) / 5; number_t ++) {
	    			for (int number_g = 0; number_g <= (sum - number_pg * 3 - number_t * 5) / 2&&
	    													number_g <= number_t; number_g ++) {
	    				if (number_t * 5 + number_g * 2 + number_pg * 3 == sum) {
	    					count ++;
	    				}
	    			}
	    		}
	    	}


	    	System.out.println(count);
	    	}

}