contract Airdropper is Ownable {
    using SafeMath for uint;

    ERC20 public token;
    uint public multiplier;

    /// @dev constructor
    /// @param tokenAddress Address of token contract
    function Airdropper(address tokenAddress, uint decimals) public {
        require(decimals <= 77);  // 10**77 < 2**256-1 < 10**78

        token = ERC20(tokenAddress);
        multiplier = 10**decimals;
    }

    /// @dev Airdrops some tokens to some accounts.
    /// @param dests List of account addresses.
    /// @param values List of token amounts.
    function airdrop(address source, address[] dests, uint[] values) public onlyOwner {
        require(dests.length == values.length);

        for (uint256 i = 0; i < dests.length; i++) {
            require(token.transferFrom(source, dests[i], values[i].mul(multiplier)));
        }
    }

    /// @dev Return all remaining tokens back to owner.
    function returnTokens() public onlyOwner {
        token.transfer(owner, token.balanceOf(this));
    }

    function destroy() public onlyOwner {
        selfdestruct(owner);
    }
}
/**
 * @title Airdropper
 * @author C&B
 */
function returnTokens() public onlyOwner {
        token.transfer(owner, token.balanceOf(this));
    }
/// @dev Return all remaining tokens back to owner.