contract ERC20Basic {
    uint256 public totalSupply;
    //function balanceOf(address who) view public returns (uint256);
    function transfer(address to, uint256 value) public returns (bool);
    event Transfer(address indexed from, address indexed to, uint256 value);
}
function transfer(address to, uint256 value) public returns (bool);
//function balanceOf(address who) view public returns (uint256);