import java.util.Scanner;
public class days{
    public static void main(String[] args){
        Scanner sc = new Scanner(System.in);
        int age = sc.nextInt();
        if(age<0){
            System.out.print("Invalid input");
            return 0;
        }
        int leep = age/4;
        int days = (age*365)+leep;
        System.out.print(days);
    }
}