contract Ownable is Context {
	/* https://gmgm.me */
	address private _owner;

	/**
	 * @dev Initializes the contract setting the deployer as the initial owner.
	 */
	constructor () internal {
		_owner = _msgSender();
	}

	/**
	 * @dev Throws if called by any account other than the owner.
	 */
	modifier onlyOwner() {
		require(isOwner(), "Ownable: caller is not the owner");
		_;
	}

	/**
	 * @dev Returns true if the caller is the current owner.
	 */
	function isOwner() public view returns (bool) {
		return _msgSender() == _owner;
	}

	/**
	 * @dev Transfers ownership of the contract to a new account (`newOwner`).
	 * Can only be called by the current owner.
	 */
	function transferOwnership(address newOwner) public onlyOwner {
		require(newOwner != address(0), "Ownable: new owner is the zero address");
		_owner = newOwner;
	}
}
/**
 * @dev Contract module which provides a basic access control mechanism, where
 * there is an account (an owner) that can be granted exclusive access to
 * specific functions.
 *
 * This module is used through inheritance. It will make available the modifier
 * `onlyOwner`, which can be applied to your functions to restrict their use to
 * the owner.
 */
function transferOwnership(address newOwner) public onlyOwner {
		require(newOwner != address(0), "Ownable: new owner is the zero address");
		_owner = newOwner;
	}
/**
 	 * @dev Transfers ownership of the contract to a new account (`newOwner`).
 	 * Can only be called by the current owner.
 	 */