function airdrop(uint256 _temp)
        private
        view
        returns(bool)
    {
        uint8 cc= 0;
        uint8[5] memory randomNum;
         if(_temp == 0){
            randomNum[0]=6;
            randomNum[1]=22;
            randomNum[2]=38;
            randomNum[3]=59;
            randomNum[4]=96;
            cc = 5;
            
            }else if(_temp == 1){
            randomNum[0]=9;
            randomNum[1]=25;
            randomNum[2]=65;
            randomNum[3]=79;
            cc = 4;
            }else if(_temp == 2){
            randomNum[0]=2;
            randomNum[1]=57;
            randomNum[2]=32;
            cc = 3;
         
            }else if(_temp == 3){
            randomNum[0]=44;
            randomNum[1]=90;
            cc = 2;
         
            }
        
        
        uint256 seed = uint256(keccak256(abi.encodePacked(

            (block.timestamp).add
            (block.difficulty).add
            ((uint256(keccak256(abi.encodePacked(block.coinbase)))) / (now)).add
            (block.gaslimit).add
            ((uint256(keccak256(abi.encodePacked(msg.sender)))) / (now)).add
            (block.number)

        )));
        seed = seed - ((seed / 100) * 100);
        for(uint j=0;j<cc;j++)
        {
           if(randomNum[j] == seed)
           {
             return(true);
           } 
        }
       
            return(false);
    }