public static void Main()
int amt=10000,a,current,pin=9257,pin1,pin2;
Console.WriteLine("Enter the pin");
pin1=int.Parse(Console.ReadLine());
Console.WriteLine("1.To Check balance");
Console.WriteLine("2.To Withdraw money");
Console.WriteLine("3.To Deposite Money");
Console.WriteLine("4.To Change the pin");
int ch=int.Parse(Console.ReadLine());
Console.WriteLine("The current balance in your account is"+amt);
Console.WriteLine("Enter the amount to withdraw");
a=int.Parse(Console.ReadLine());
Console.WriteLine("Please collect the cash"+a);
Console.WriteLine("The current balance is now"+current);
Console.WriteLine("Please enter the amount to withdraw in the multiples of 100");
Console.WriteLine("Your account does not have sufficient balance");
Console.WriteLine("Enter the amount to be deposite");
a=int.Parse(Console.ReadLine());
Console.WriteLine("The current balance in the account is"+current);
Console.WriteLine("Want to change your pin");
Console.WriteLine("Enter your previous pin");
int prepin=int.Parse(Console.ReadLine());
Console.WriteLine("Enter your new pin");
pin2=int.Parse(Console.ReadLine());
Console.WriteLine("Your pin is changed");
Console.WriteLine("Enter your correct pin");
Console.WriteLine("Please select correct option");