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//Problem. : https://www.javatpoint.com/krishnamurthy-number-java

//import required classes and packages

import Java.util.*;

import java.io.*;

import java.util.Scanner;

//create KrishnamurthyNumber class to check whether the given number is a Krishnamurthy number or not

class KrishnamurthyNumber {

// create fact() method to calculate the factorial of the number

static int fact(int number)

{

int f = 1;

while (number != 0) {

f = f * number;

number--;

}

return f;

}

// create checkNumber() method that returns true when it founds number krishnamurthy

static boolean checkNumber(int number)

{

int sum = 0; //initialize sum to 0

int tempNumber = number; //create a copy of the original number

//perform operation until tempNumber will not equal to 0

while (tempNumber != 0) {

// calculate the factorial of the last digit of the tempNumber and then add it to the sum

sum = sum + fact(tempNumber % 10);

// replace the value of tempNumber by tempNumber/10

tempNumber = tempNumber / 10;

}

// Check whether the number is equal to the sum or not. If both are equal, number is krishnamurthy number

if(sum == number)

return true;

else

return false;

}

// main() method start

public static void main(String[] args)

{

int n; //initialize variable n

//create scanner class object to read data from user

Scanner sc = new Scanner(System.in);

//custom message

System.out.println("Enter any number:");

//store user entered value into variable n

n = sc.nextInt();

if (checkNumber(n))

System.out.println(n + " is a krishnamurthy number");

else

System.out.println(n + "is not a krishnamurthy number");

}

}