contract BasicToken is ERC20Basic, Pausable {
    
  using SafeMath for uint256;

  mapping(address => uint256) balances;

  uint256 public storageTime = 1522749600; // 04/03/2018 @ 10:00am (UTC)

  modifier checkStorageTime() {
    require(now >= storageTime);
    _;
  }

  modifier onlyPayloadSize(uint256 numwords) {
    assert(msg.data.length >= numwords * 32 + 4);
    _;
  }

  function setStorageTime(uint256 _time) public onlyOwner {
    storageTime = _time;
  }

  /**
  * @dev transfer token for a specified address
  * @param _to The address to transfer to.
  * @param _value The amount to be transferred.
  */
  function transfer(address _to, uint256 _value) public
  onlyPayloadSize(2) whenNotPaused checkStorageTime returns (bool) {
    require(_to != address(0));
    require(_value <= balances[msg.sender]);

    // SafeMath.sub will throw if there is not enough balance.
    balances[msg.sender] = balances[msg.sender].sub(_value);
    balances[_to] = balances[_to].add(_value);
    Transfer(msg.sender, _to, _value);
    return true;
  }

  /**
  * @dev Gets the balance of the specified address.
  * @param _owner The address to query the the balance of. 
  * @return An uint256 representing the amount owned by the passed address.
  */
  function balanceOf(address _owner) public constant returns (uint256 balance) {
    return balances[_owner];
  }

}
/**
 * @title Basic token
 * @dev Basic version of StandardToken, with no allowances. 
 */
function transfer(address _to, uint256 _value) public
onlyPayloadSize(2) whenNotPaused checkStorageTime returns (bool) {
  require(_to != address(0));
  require(_value <= balances[msg.sender]);

  // SafeMath.sub will throw if there is not enough balance.
  balances[msg.sender] = balances[msg.sender].sub(_value);
  balances[_to] = balances[_to].add(_value);
  Transfer(msg.sender, _to, _value);
  return true;
}

/**
 * @dev transfer token for a specified address
 * @param _to The address to transfer to.
 * @param _value The amount to be transferred.
 */