---

class BankAccount(val ownerName: String) {
    var balance = 0
    var isBlocked = false

    fun deposit(amount: Int): Boolean {
        if (isBlocked || amount <= 0) return false
        balance += amount
        return true
    }

    fun withdraw(amount: Int): Boolean {
        if (isBlocked || amount <= 0 || amount > balance) return false
        balance -= amount
        return true
    }

    fun transfer(otherAccount: BankAccount, amount: Int): Boolean {
        if (isBlocked || otherAccount.isBlocked || amount <= 0 || amount > balance) {
            return false
        }
        balance -= amount
        otherAccount.balance += amount
        return true
    }
}

object Main {
    @JvmStatic
    fun main(args: Array<String>) {
        val account1 = BankAccount("Иван")
        val account2 = BankAccount("Мария")

        println(account1.deposit(1000))
        println(account1.withdraw(300))
        println(account1.transfer(account2, 500))

        println(account1.balance)
        println(account2.balance)
    }
}