My Soluton for Java;

public static void main(String[] args) {

    Scanner in= new Scanner(System.in);
    int[] arr= new int[6];
    for(int i=0; i<6;i++)
    {
        arr[i]= in.nextInt();
    }
    int fine=0;
    int actualrday=arr[0];
    int actualrmonth=arr[1];
    int actualryear=arr[2];
    int expectedrday=arr[3];
    int expectedrmonth=arr[4];
    int expectedyear=arr[5];
    in.close();


    if(actualryear==expectedyear)
    {
        if(actualrmonth<=expectedrmonth){
            if(actualrday<=expectedrday)
            {
                fine=0;
            }
            else{fine=(actualrday-expectedrday)*15;}
        }
        else{fine=(actualrmonth-expectedrmonth)*500;}    
    }
    else if(actualryear<expectedyear)
    {
        fine=0;
    }
    else if(actualryear>expectedyear){fine=10000;}

    System.out.println(fine);
}