function transfer(address _to, uint256 _value) public  {
        if(now < (dayStart + 365 days)){
            require(msg.sender != foundersAddress && tx.origin != foundersAddress);
        }
        
        if(now < (dayStart + 180 days)){
            require(msg.sender != bonusAddress && tx.origin != bonusAddress);
        }
        

        _transfer(msg.sender, _to, _value);
    }