AMSTRONG PROGRAM THROUGH JAVA

import java.util.*;
class amstrong{
public static void main(String aefe[])
{
int s=0;
Scanner sc=new Scanner(System.in);
System.out.println("enter the number:");
int a=sc.nextInt();
int a1=a;
while(a>0)
{
int k=a%10;
s=s+k*k*k;
a=a/10;
}


if(a1==s)
{
System.out.println("amstrong is:"+a1);
}
else{
System.out.println("not amstrong:"+a1);
}
}}