#include <string>
#include <iostream>
#include <iomanip>
using namespace std;

class Account {

public:
 Account(string s, double b) {
 
  ID = s;
  balance = b;
 }
 
 string getID() const {
  return ID;
 }
 
 double getBalance() const {
  return balance;
 }

 void setBalance(double b) {
  balance = b;
 }

 bool withdraw(double money) {
  if (balance - money >= 0) 
   return true;
  else
   return false; 
 }

 void deposit(double money) {
  balance += money;
   
 }
 
private:
 string ID;
 double balance;


friend bool operator<(Account a, Account b) {
 return (a.balance < b.balance);
}

};

bool operator==(Account a, Account b) {
 return (a.getID() == b.getID());
}