import java.util.ArrayList;

class Bank {
    /*---------- instance variables ----------*/
    
    ArrayList<Account> accounts;
    
    /*------------- constructors -------------*/
    
    Bank() {
        accounts = new ArrayList<Account>();
    }
    
    /*---------------- methods ----------------*/
    
    // run commands
    void runCommands() {
        CommandReader commandReader = new CommandReader(this);
        commandReader.run();
    }   
    
    // add 
}