day01.2

import java.util.Scanner;
public class IFeDemo4 {

public static void main(String[] args) {

	Scanner scan=new Scanner(System.in);
	
	System.out.println("输入一个int类型三位数");
    int n=scan.nextInt();
    int x=n/100;
    int y=(n-x*100)/10;
    int z=n%10;
    
    if(x*x*x+y*y*y+z*z*z==n) {
    	
    	System.out.println("是");
    	
    	
    
    }else {
    	System.out.println("no");
    	
    }