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// ARMSTRONG NO. PROGRAM USING RETURN FUNCTION
import java.util.*;
class returnprg1
{
    public static boolean isArmstrong(int n)
    {
        int r,s=0,temp=n;
        while (n>0)
        {
            r=n%10;
            s=s+(r*r*r);
            n=n/10;
        }
        return (temp==s);
    }
    public static void main()
    {
        Scanner s=new Scanner(System.in);
        int n;
        System.out.println("enter a no.");
        n=s.nextInt();
        if (isArmstrong(n))
        System.out.println("Armstrong");
        else
        System.out.println("NOT Armstrong");
    }
}