pragma solidity ^0.4.17;

interface Regulator {
    function checkBalance(uint amount)public returns(bool);

}

contract Bank is Regulator{
    uint private value;

    function Bank(uint _amount) public {
        value = _amount;
    }

    function deposit(uint amount) public {
        value += amount;
    }

    function withdrawl(uint amount) public {
        if(checkBalance(amount)){
            value -= amount;
        }

    }

    function checkBalance(uint amount) public returns(bool){
        return value >= amount;
    }

    function balance()view  public returns (uint) {
        return value;
    }
}

contract Person is Bank(10){
    bytes16 private name;
    uint private age;

    function setName(bytes16 _name) public {
        name = _name;
    }

    function setAget(uint _age) public {
        age = _age;
    }

    function getAge() view public returns(uint){
        return age;
    }

    function getName() view public returns(string){
        bytes memory bytesArray = new bytes(16);
        for (uint256 i; i < 16; i++) {
                bytesArray[i] = name[i];
        }
        return string(bytesArray);

    }


}