CHECK THE NUMBER IS ARMSTRONG OR NOT

import java.util.*;
class armstrong
{
public static void main(string args[])
{
int n,csum,d,n1;
scanner os=new scanner (system.in);
system.out.println("enter n value");
n=os.next int();
csum=0;
n1=n;
do
{
d=n%10;
csum=csum*d*d*d;
n=n/10;
}
while(n!=0);
if(n!==csum)
system.out.println("number is armstrong");
else
system.out.println("number is not armstrong");
}
}