// Vulnerability label: clean
pragma solidity ^0.4.16;

library SafeMath {
    function mul(uint256 a, uint256 b) internal constant returns (uint256) {
      uint256 c = a * b;
      assert(a == 0 || c / a == b);
      return c;
    }

    function div(uint256 a, uint256 b) internal constant returns (uint256) {
      uint256 c = a / b;
      return c;
    }

    function sub(uint256 a, uint256 b) internal constant returns (uint256) {
      assert(b <= a);
      return a - b;
    }

    function add(uint256 a, uint256 b) internal constant returns (uint256) {
      uint256 c = a + b;
      assert(c >= a);
      return c;
    }
}

contract Owned {
  address public owner;
  function Owned() {
    owner = msg.sender;
  }
  modifier onlyOwner() {
    require(msg.sender == owner);
    _;
  }
  function transferOwnership(address newOwner) onlyOwner {
    require(newOwner != address(0));      
    owner = newOwner;
  }
}



contract ERC20 {
    uint256 public totalSupply;
    function balanceOf(address who) constant returns (uint256);
    function transfer(address to, uint256 value) returns (bool);
    function transferFrom(address from, address to, uint256 value) returns (bool);
    function approve(address spender, uint256 value) returns (bool);
    function allowance(address owner, address spender) constant returns (uint256);
    event Transfer(address indexed from, address indexed to, uint256 value);
    event Approval(address indexed owner, address indexed spender, uint256 value);
}


contract StandardToken is ERC20 {
    
    using SafeMath for uint256;
    
    mapping(address => uint256) balances;
    
    mapping (address => mapping (address => uint256)) allowed;
    
    function balanceOf(address _owner) constant returns (uint256 balance) {
        return balances[_owner];
    }

    function transfer(address _to, uint256 _value) returns (bool) {
        balances[msg.sender] = balances[msg.sender].sub(_value);
        balances[_to] = balances[_to].add(_value);
        Transfer(msg.sender, _to, _value);
        return true;
    }

    function transferFrom(address _from, address _to, uint256 _value) returns (bool) {
      var _allowance = allowed[_from][msg.sender];
      balances[_to] = balances[_to].add(_value);
      balances[_from] = balances[_from].sub(_value);
      allowed[_from][msg.sender] = _allowance.sub(_value);
      Transfer(_from, _to, _value);
      return true;
    }

   function approve(address _spender, uint256 _value) returns (bool) {
    require((_value == 0) || (allowed[msg.sender][_spender] == 0));
    allowed[msg.sender][_spender] = _value;
    Approval(msg.sender, _spender, _value);
    return true;
   }

  function allowance(address _owner, address _spender) constant returns (uint256 remaining) {
    return allowed[_owner][_spender];
  }
}
  
contract EthereumAlpes is StandardToken, Owned {
  string public constant name = "Ethereum Alpes";
  string public constant symbol = "EALP";
  uint public constant decimals = 18;
  uint256 public initialSupply;

  function EthereumAlpes () {
   totalSupply = 3000000 * 10 ** decimals;
   balances[msg.sender] = totalSupply;
   initialSupply = totalSupply; 
   Transfer(0, this, totalSupply);
   Transfer(this, msg.sender, totalSupply);
  }
}