class Result {

    /*
     * Complete the 'beautifulDays' function below.
     *
     * The function is expected to return an INTEGER.
     * The function accepts following parameters:
     *  1. INTEGER i
     *  2. INTEGER j
     *  3. INTEGER k
     */
    
    public static int beautifulDays(int i, int j, int k) {
    // Write your code here
    int total = 0;
    for(;i<=j; i++)
    {
        int temp = i;
        int rev = 0;
				
        while(temp != 0)
        {
            int lst = temp%10;
            temp = temp / 10;
            rev = rev * 10 + lst;
        }
        int diff = Math.abs(i - rev);
        if(diff % k == 0)
        {
            total++;
        }
    }
    return total;
    }

}