Lottery | Guess | Random

import java.util.Scanner;
public class Practice{
    public static void main(String[] args) {
        Scanner input  = new Scanner(System.in);
        // Generate a lottery number
        int lotteryNum = 10+(int)(Math.random()*90);
        //System.out.println(lotteryNum);
        int num1 = lotteryNum / 10;
        int num2 = lotteryNum % 10;
        //User Input
        System.out.print("Enter Lottery guess number: ");
        byte guessUserNumber = input.nextByte();
        //-----------------------------------
        //User num1 & num2
        int guessNum1 = guessUserNumber / 10;
        int guessNum2 = guessUserNumber % 10;
        //----------------------------------
        if (lotteryNum == guessUserNumber)
            System.out.println("Exact match: you win $10,000");
        else if (guessNum1 == num2 && guessNum2 == num1)
            System.out.println("Match all digits: you win $3,000");
        else if (guessNum1 == num1 || guessNum2 == num2 || guessNum1==num2 || guessNum2 == num1)
            System.out.println("Match one digit: you win $1,000");
        else
            System.out.println("Sorry, no match");
        System.out.println("The Lottery number is : "+lotteryNum);
    }
}