import java.io.*;
 
class Lab_03
{
    public static void main(String[] args) {
        System.out.print("\nPreset password (number only, 3 tries): ");
        int i = Integer.parseInt(getKeyboardBuffer());
        Password pass = new Password(i);
        
        while (pass.getTriesLeft() > 0) {
        	System.out.println("Enter password:");
       	}
    }
 
    private static String getKeyboardBuffer() {
         String s = "";
        try {
            s = new BufferedReader(
                    new InputStreamReader(System.in)).readLine();
        }
        catch (IOException e) {
		            System.out.println(e);
        }
        return s;
    }
}
 
class Password
{
    int grace = 3;
    
    int attempts = 0;
    	do {
    		attempts++;}
    		while (attempts <= grace);
    }
    
    private int magic;
        
    public Password(int password, int tries) {
        magic = password;
        attempts = tries;   
    }
 
    public int getTriesLeft(int attempts) {
    	int getTriesLeft = 3 - attempts;
  	    
    }
 
    public boolean verify(int password) {
       	if (magic == password)
       		System.out.println("Yes!");
       	else {
       		System.out.println("No!" + pass.getTriesLeft() + "tries left.");
       	}
    }
}
 

import java.io.*;

class Lab_03{

        
    public static void main(String[] args) {

        System.out.print("\nEnter the Preset password: ");
        int i = Integer.parseInt(getKeyboardBuffer());
        Password pass = new Password(i);
        while (pass.getTriesLeft() > 0) {
            System.out.println("Enter password:");
            pass.verify(Integer.parseInt(getKeyboardBuffer()));
        }
    }

    private static String getKeyboardBuffer() {
        String s = "";
        try {
            s = new BufferedReader(new InputStreamReader(System.in)).readLine();
        }catch (IOException e) {
            System.out.println(e);
        }
        return s;
    }
}

class Password{
    private int magic = 314159; // digits for pi
    private int grace = 3;
    private int attempts = 0;


    public Password(int password) {
        magic = password;
    }

    public int getTriesLeft(){
        return (grace - attempts);
    }

    public boolean verify(int password) {
        attempts++;
        boolean passwordVerified = false;
        if (magic == password){
           System.out.println("Yes! ");
            passwordVerified = true;
        }else{
           System.out.println("No! " + getTriesLeft() + " tries left.");
        }
        return passwordVerified;
    }
}