import java.util.Scanner;

public class ATM_machine {

    public static void main(String [] args) {
        int balance = 3000, withdraw, deposit;
        Scanner s = new Scanner(System.in);
        while (true) {

            System.out.println("Automated Teller");
            System.out.println("Choose 1 for Withdraw:");
            System.out.println("Choose 2 for Deposit:");
            System.out.println("Choose 3 for Check Balance:");
            System.out.println("Choose 4 to Exit");
            System.out.println("Choose the operation you'd like to perform:");
            int n = s.nextInt();
            switch(n) {

            case 1:
                System.out.println("How much would you like to withdraw?");
                withdraw = s.nextInt();
                if (balance >= withdraw) {
                    balance = balance - withdraw;
                    System.out.println("Obtain money below");
                    {

                    }
                    System.out.println("Insufficient funds available");
                }
            System.out.println("");
            break;

            case 2:
                System.out.println("How much would you like to deposit?");
                deposit = s.nextInt();
                balance = balance + deposit;
                System.out.println("Deposit Successful");
                System.out.println("");
            break;

            case 3:
                System.out.println("Your Balance is:"+ balance);
                System.out.println("");
                break;

            case 4:
                System.exit(0);
            }
        }
    }
}