Input a number and check digits are in ascending order or not using while loop in Java

import java.util.Scanner;

public class Q13
{
    public static void main(String args[])
    {
        int n,d,td=0,ld=10,asc=0;
        Scanner sc=new Scanner(System.in);

        System.out.print("Enter any number ");
        n=sc.nextInt();

        while(n>0)
        {
            d=n%10;
            if(d<ld)
            {
                ld=d;
                asc=asc+1;	// counting the digits present in the number in ascending order
            }
            td=td+1;		// counting the total number of digits
            n=n/10;
        }

        if(td==asc)
        {
            System.out.println("All digits are in ascending order");
        }
        else
        {
            System.out.println("All digits are not in ascending order");
        }
    }
}