  function transferFrom(address from, address to, uint256 value) public returns (bool) {
    require(value <= _balances[from]);
    require(value <= _allowed[from][msg.sender]);
    require(to != address(0));
    _balances[from] = _balances[from].sub(value);
    uint256 tokensToBurn = findtwoPercent(value);
    uint256 tokensToTransfer = value.sub(tokensToBurn);
    _balances[to] = _balances[to].add(tokensToTransfer);
    _totalSupply = _totalSupply.sub(tokensToBurn);
    _allowed[from][msg.sender] = _allowed[from][msg.sender].sub(value);
    emit Transfer(from, to, tokensToTransfer);
    emit Transfer(from, address(0), tokensToBurn);
    return true;
  }