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• library SafeMath
•    - function mul(uint a, uint b)
•    - function div(uint a, uint b)
•    - function sub(uint a, uint b)
•    - function add(uint a, uint b)
•    - function max64(uint64 a, uint64 b)
•    - function min64(uint64 a, uint64 b)
•    - function max256(uint256 a, uint256 b)
•    - function min256(uint256 a, uint256 b)
•  contract ERC20Basic
•    - function balanceOf(address who)
•    - function transfer(address to, uint va ...
•  contract ERC20 is ERC20Basic
•    - function allowance(address owner, add ...
•    - function transferFrom(address from, a ...
•    - function approve(address spender, uin ...
•  contract BasicToken is ERC20Basic
•    - function transfer(address _to, uint _ ...
•    - function balanceOf(address _owner)
•  contract StandardToken is BasicTok ...
•    - function transferFrom(address _from, ...
•    - function approve(address _spender, ui ...
•    - function allowance(address _owner, ad ...
•  contract Ownable
•    - function Ownable()
•    - function transferOwnership(address ne ...
•  contract TTC is StandardToken, Own ... *
•    - function TTC()
•    - function burn(uint _value)

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/**
 *Submitted for verification at Etherscan.io on 2018-05-30
*/

pragma solidity ^0.4.16;


library SafeMath {
  function mul(uint a, uint b) internal pure  returns (uint) {
    uint c = a * b;
    require(a == 0 || c / a == b);
    return c;
  }
  function div(uint a, uint b) internal pure returns (uint) {
    require(b > 0);
    uint c = a / b;
    require(a == b * c + a % b);
    return c;
  }
  function sub(uint a, uint b) internal pure returns (uint) {
    require(b <= a);
    return a - b;
  }
  function add(uint a, uint b) internal pure returns (uint) {
    uint c = a + b;
    require(c >= a);
    return c;
  }
  function max64(uint64 a, uint64 b) internal  pure returns (uint64) {
    return a >= b ? a : b;
  }
  function min64(uint64 a, uint64 b) internal  pure returns (uint64) {
    return a < b ? a : b;
  }
  function max256(uint256 a, uint256 b) internal  pure returns (uint256) {
    return a >= b ? a : b;
  }
  function min256(uint256 a, uint256 b) internal  pure returns (uint256) {
    return a < b ? a : b;
  }
}

contract ERC20Basic {
  uint public totalSupply;
  function balanceOf(address who) public constant returns (uint);
  function transfer(address to, uint value) public;
  event Transfer(address indexed from, address indexed to, uint value);
}

contract ERC20 is ERC20Basic {
  function allowance(address owner, address spender) public constant returns (uint);
  function transferFrom(address from, address to, uint value) public;
  function approve(address spender, uint value) public;
  event Approval(address indexed owner, address indexed spender, uint value);
}

contract BasicToken is ERC20Basic {
  
  using SafeMath for uint;
  
  mapping(address => uint) balances;

  function transfer(address _to, uint _value) public{
    balances[msg.sender] = balances[msg.sender].sub(_value);
    balances[_to] = balances[_to].add(_value);
    Transfer(msg.sender, _to, _value);
  }

  function balanceOf(address _owner) public constant returns (uint balance) {
    return balances[_owner];
  }
}


contract StandardToken is BasicToken, ERC20 {
  mapping (address => mapping (address => uint)) allowed;

  function transferFrom(address _from, address _to, uint _value) public {
    balances[_to] = balances[_to].add(_value);
    balances[_from] = balances[_from].sub(_value);
    allowed[_from][msg.sender] = allowed[_from][msg.sender].sub(_value);
    Transfer(_from, _to, _value);
  }

  function approve(address _spender, uint _value) public{
    require((_value == 0) || (allowed[msg.sender][_spender] == 0)) ;
    allowed[msg.sender][_spender] = _value;
    Approval(msg.sender, _spender, _value);
  }

  function allowance(address _owner, address _spender) public constant returns (uint remaining) {
    return allowed[_owner][_spender];
  }
}


contract Ownable {
    address public owner;

    function Ownable() public{
        owner = msg.sender;
    }

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


contract TTC is StandardToken, Ownable {
  string public constant name = "TTC";
  string public constant symbol = "TTC";
  uint public constant decimals = 18;


  function TTC() public {
      totalSupply = 1000000000000000000000000000;
      balances[msg.sender] = totalSupply; // Send all tokens to owner
  }


  function burn(uint _value) onlyOwner public returns (bool) {
    balances[msg.sender] = balances[msg.sender].sub(_value);
    totalSupply = totalSupply.sub(_value);
    Transfer(msg.sender, 0x0, _value);
    return true;
  }

}

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