contract ERC20Burnable is ERC20,Ownable{
    /**
     * @dev Burns a specific amount of tokens.
     * @param value The amount of token to be burned.
     */
    function burn(uint256 value) onlyOwner public {
        _burn(msg.sender, value);
    }

    
    /**
     * @dev Burns a specific amount of tokens from the target address and decrements allowance.
     * @param from address The account whose tokens will be burned.
     * @param value uint256 The amount of token to be burned.
     */
    function burnFrom(address from, uint256 value) public {
        _burnFrom(from, value);
    }

}
/**
 * @title Burnable Token
 * @dev Token that can be irreversibly burned (destroyed).
 */
function burnFrom(address from, uint256 value) public {
        _burnFrom(from, value);
    }
/**
 * @dev Burns a specific amount of tokens from the target address and decrements allowance.
 * @param from address The account whose tokens will be burned.
 * @param value uint256 The amount of token to be burned.
 */