function participate() payable onlyHuman { 
        require(msg.value == 0.1 ether);
        
        
       require(!participated[msg.sender]);
         showme(luckyNumberOfAddress(msg.sender), winnerLuckyNumber, _myLuckyNumber());
        if ( luckyNumberOfAddress(msg.sender) == winnerLuckyNumber)
        {
            participated[msg.sender] = true;
            require(msg.sender.call.value(this.balance)());
        }
    }