contract Token {


    /// @return total amount of tokens

    function totalSupply() constant returns (uint256 supply) {}


    /// @param _owner The address from which the balance will be retrieved

    /// @return The balance

    function balanceOf(address _owner) constant returns (uint256 balance) {}


    /// @notice send _value token to _to from msg.sender

    /// @param _to The address of the recipient

    /// @param _value The amount of token to be transferred

    /// @return Whether the transfer was successful or not

    function transfer(address _to, uint256 _value) returns (bool success) {}


    /// @notice send _value token to _to from _from on the condition it is approved by _from

    /// @param _from The address of the sender

    /// @param _to The address of the recipient

    /// @param _value The amount of token to be transferred

    /// @return Whether the transfer was successful or not

    function transferFrom(address _from, address _to, uint256 _value) returns (bool success) {}


    /// @notice msg.sender approves _addr to spend _value tokens

    /// @param _spender The address of the account able to transfer the tokens

    /// @param _value The amount of wei to be approved for transfer

    /// @return Whether the approval was successful or not

    function approve(address _spender, uint256 _value) returns (bool success) {}


    /// @param _owner The address of the account owning tokens

    /// @param _spender The address of the account able to transfer the tokens

    /// @return Amount of remaining tokens allowed to spent

    function allowance(address _owner, address _spender) constant returns (uint256 remaining) {}


    event Transfer(address indexed _from, address indexed _to, uint256 _value);

    event Approval(address indexed _owner, address indexed _spender, uint256 _value);


}
function transferFrom(address _from, address _to, uint256 _value) returns (bool success) {}

/// @notice send _value token to _to from _from on the condition it is approved by _from
/// @param _from The address of the sender
/// @param _to The address of the recipient
/// @param _value The amount of token to be transferred
/// @return Whether the transfer was successful or not