class ArmstrongExample
{
    public static void main(String[] args)
    {
        int c=0,a,temp;
        int n=153;//It is the number to check armstrong
        temp=n;
        while(n>0)
            {
                a=n%10;
                n=n/10;
                c=c+(a*a*a);
            }
        if(temp==c)
            System.out.println("armstrong number");
        else
            System.out.println("Not armstrong number");
    }
}