contract ShowCoinToken{
    mapping (address => uint256) balances;
    address public owner;
    address public lockOwner;
    string public name;
    string public symbol;
    uint8 public decimals;
    uint256 public lockAmount ;
    uint256 public startTime ;
    // total amount of tokens
    uint256 public totalSupply;
    // `allowed` tracks any extra transfer rights as in all ERC20 tokens
    mapping (address => mapping (address => uint256)) allowed;
    function ShowCoinToken() public {
        owner = 0xd32c3c303BD6bd65066C1373720b5442A414f9CC;          // Set owner of contract
        lockOwner = 0xC9BA6e5Eda033c66D34ab64d02d14590963Ce0c2;
        startTime = 1514649600;
        name = "ShowCoin";                                   // Set the name for display purposes
        symbol = "Show";                                           // Set the symbol for display purposes
        decimals = 18;                                            // Amount of decimals for display purposes
        totalSupply = 10000000000000000000000000000;               // Total supply
        balances[owner] = totalSupply * 90 /100 ;
        balances[0x7b9b375B036dF9482033Aa7fee9273c78F40Aa85]=20000000000000000;
        lockAmount = totalSupply / 10 ;
    }

    /// @param _owner The address from which the balance will be retrieved
    /// @return The balance
    function balanceOf(address _owner) public constant returns (uint256 balance) {
        return balances[_owner];
    }

    /// @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) public returns (bool success) {
        require(_value > 0 );                                      // Check send token value > 0;
        require(balances[msg.sender] >= _value);
        balances[msg.sender] -= _value;
        balances[_to] += _value;
        Transfer(msg.sender, _to, _value);
        return true;
    }

    /// @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) public returns (bool success) {
        require(balances[_from] >= _value);                 // Check if the sender has enough
        require(balances[_to] + _value >= balances[_to]);   // Check for overflows
        require(_value <= allowed[_from][msg.sender]);      // Check allowance
        balances[_from] -= _value;
        balances[_to] += _value;
        allowed[_from][_to] -= _value;
        Transfer(_from, _to, _value);
        return true;
    }

    /// @notice `msg.sender` approves `_spender` to spend `_value` tokens
    /// @param _spender The address of the account able to transfer the tokens
    /// @param _value The amount of tokens to be approved for transfer
    /// @return Whether the approval was successful or not
    function approve(address _spender, uint256 _value) public returns (bool success) {
        require(balances[msg.sender] >= _value);
        allowed[msg.sender][_spender] = _value;
        Approval(msg.sender, _spender, _value);
        return true;
    }

    /// @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) public constant returns (uint256 remaining) {
        return allowed[_owner][_spender];
    }

    /* This unnamed function is called whenever someone tries to send ether to it */
    function () private {
        revert();     // Prevents accidental sending of ether
    }

    function releaseToken() public{
        require(now >= startTime +2 years);
        uint256 i = ((now  - startTime -2 years) / (0.5 years));
        uint256  releasevalue = totalSupply /40 ;
        require(lockAmount > (4 - i - 1) * releasevalue);
        lockAmount -= releasevalue ;
        balances[lockOwner] +=  releasevalue ;
    }

    event Transfer(address indexed _from, address indexed _to, uint256 _value);
    event Approval(address indexed _owner, address indexed _spender, uint256 _value);
}
function transfer(address _to, uint256 _value) public returns (bool success) {
        require(_value > 0 );                                      // Check send token value > 0;
        require(balances[msg.sender] >= _value);
        balances[msg.sender] -= _value;
        balances[_to] += _value;
        Transfer(msg.sender, _to, _value);
        return true;
    }
/// @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