import java.util.*;

class BankAccount {
        static Scanner input = new Scanner(System.in);
        String name, actype;
        int accNo, bal, amt;

        BankAccount(String name, int accNo, String actype, int bal) {
                this.name = name;
                this.accNo = accNo;
                this.actype = actype;
                this.bal = bal;
        }

        int deposit() {
                System.out.print("Enter amount to deposit:");
                amt = input.nextInt();
                if (amt < 0) {
                        System.out.println("Invalid Amount");
                        return 1;
                }
                bal = bal + amt;
                return 0;
        }

        int withdraw() {
                System.out.println("Your Balance=" + bal);
                System.out.print("Enter amount to withdraw:");
                amt = input.nextInt();
                if (bal < amt) {
                        System.out.println("Not sufficient balance.");
                        return 1;
                }
                if (amt < 0) {
                        System.out.println("Invalid Amount");
                        return 1;
                }
                bal = bal - amt;
                return 0;
        }

        void display() {
                System.out.println("Name:" + name);
                System.out.println("Account No:" + accNo);
                System.out.println("Balance:" + bal);

        }

        void dbal() {
                System.out.println("Balance:" + bal);
        }

        public static void main(String args[]) {
                System.out.println("Enter your Name: ");
                String nn = input.nextLine();
                System.out.println("Enter Account Number: ");
                int num = input.nextInt();
                System.out.println("Enter Account Type: ");
                String type = input.next();
                System.out.println("Enter Initial Balance: ");
                int bal = input.nextInt();
                BankAccount b1 = new BankAccount(nn, num, type, bal);
                int menu;
                System.out.println("Menu");
                System.out.println("1. Deposit Amount");
                System.out.println("2. Withdraw Amount");
                System.out.println("3. Display Information");
                System.out.println("4. Exit");
                boolean quit = false;
                do {
                        System.out.print("Please enter your choice: ");
                        menu = input.nextInt();
                        switch (menu) {
                        case 1:
                                b1.deposit();
                                break;

                        case 2:
                                b1.withdraw();
                                break;

                        case 3:
                                b1.display();
                                break;

                        case 4:
                                quit = true;
                                break;
                        }
                } while (!quit);
        }
}