import java.util.*;
public class main{
    public static void main(String[] args)
    {
        Scanner scan=new Scanner(System.in);
        int y=0,yr=2025,x=0;
        y=scan.nextInt();
        if(y>=1 && y<=1000)
        {
            for(int i=1;i<=y;i++)
            {
                if(i%4==0)
                {
                    x=x+366;
                }
                else{
                    x=x+365;
                }
            }
            if(i%100==0)
            {
                x=x-1;
            }
            System.out.println(x);
        }
        else
        {
            System.out.println("Invalid input");
        }
    }
}