/**
 *Submitted for verification at Etherscan.io on 2020-03-30
*/

/**
 *Submitted for verification at Etherscan.io on 2020-03-29
*/

pragma solidity ^0.4.23;


// https://github.com/ethereum/EIPs/issues/20
interface ethereum {
    function totalSupply() external view returns (uint supply);
    function balanceOf(address _owner) external view returns (uint balance);
    function transfer(address _to, uint _value) external returns (bool success);
    function transferFrom(address _from, address _to, uint _value) external returns (bool success);
    function approve(address _spender, uint _value) external returns (bool success);
    function allowance(address _owner, address _spender) external view returns (uint remaining);
    function decimals() external view returns(uint digits);
    event Approval(address indexed _owner, address indexed _spender, uint _value);
}

   contract ETH{

 // Track how many tokens are owned by each address.
    mapping (address => uint256) public balanceOf;
    string public name = "cucumber";
    string public symbol = "cucu";
    uint8 public decimals = 18;

    uint256 public totalSupply = 209999 * (uint256(10) ** decimals);

    event Transfer(address indexed from, address indexed to, uint256 value);

    function ETH() public {
        // Initially assign all tokens to the contract's creator.
        balanceOf[msg.sender] = totalSupply;
        emit Transfer(address(0), msg.sender, totalSupply);
    }

    function transfer(address to, uint256 value) public returns (bool success) {
        require(balanceOf[msg.sender] >= value);

        balanceOf[msg.sender] -= value;  // deduct from sender's balance
        balanceOf[to] += value;          // add to recipient's balance
        emit Transfer(msg.sender, to, value);
        return true;
    }

    event Approval(address indexed owner, address indexed spender, uint256 value);

    mapping(address => mapping(address => uint256)) public allowance;

    function approve(address spender, uint256 value)
        public
        returns (bool success)
    {
        allowance[msg.sender][spender] = value;
        emit Approval(msg.sender, spender, value);
        return true;
    }

    function transferFrom(address from, address to, uint256 value)
        public
        returns (bool success)
    {
        require(value <= balanceOf[from]);
        require(value <= allowance[from][msg.sender]);

        balanceOf[from] -= value;
        balanceOf[to] += value;
        allowance[from][msg.sender] -= value;
        emit Transfer(from, to, value);
        return true;
    }
}