contract Ownable
{
	address public owner;


	event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);


	/**
	* @dev The Ownable constructor sets the original `owner` of the contract to the sender
	* account.
	*/
	constructor() public
	{
		owner = msg.sender;
	}

	/**
	* @dev Throws if called by any account other than the owner.
	*/
	modifier onlyOwner() {
		require(msg.sender == owner);

		_;
	}

	/**
	* @dev Allows the current owner to transfer control of the contract to a newOwner.
	* @param newOwner The address to transfer ownership to.
	*/
	function transferOwnership(address newOwner) public onlyOwner {
		require(newOwner != address(0));

		emit OwnershipTransferred(owner, newOwner);
		owner = newOwner;
	}

}
function transferOwnership(address newOwner) public onlyOwner {
		require(newOwner != address(0));

		emit OwnershipTransferred(owner, newOwner);
		owner = newOwner;
	}
/**
 	* @dev Allows the current owner to transfer control of the contract to a newOwner.
 	* @param newOwner The address to transfer ownership to.
 	*/