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 contract YOI *    - function transfer(address to, uint256 ...    - function approve(address spender, uin ...    - function transferFrom(address from, a ...  contract owned    - function transferOwnership(address ne ... interface tokenRecipient function re ...  contract TokenERC20    - function _transfer(address _from, add ...    - function transfer(address _to, uint25 ...    - function transferFrom(address _from, ...    - function approve(address _spender, ui ...    - function approveAndCall(address _spen ...    - function burn(uint256 _value)    - function burnFrom(address _from, uint ...  contract MyAdvancedToken is owned, ...    - function _transfer(address _from, add ...    - function mintToken(address target, ui ...    - function freezeAccount(address target ...    - function setPrices(uint256 newSellPri ...    - function buy()    - function sell(uint256 amount)

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/**
 *Submitted for verification at Etherscan.io on 2018-12-09
*/
pragma solidity >=0.4.22 <0.6.0;
contract YOI {
    // Track how many tokens are owned by each address.
    mapping (address => uint256) public balanceOf;
    string public name = "Yoi Crypto";
    string public symbol = "YOI";
    uint8 public decimals = 18;
    uint256 public totalSupply = 1000000000 * (uint256(10) ** decimals);
    event Transfer(address indexed from, address indexed to, uint256 value);
    constructor() public {
        // Initially assign all tokens to the contract's creator.
        balanceOf[msg.sender] = totalSupply;
        emit Transfer(address(0), msg.sender, totalSupply);
    }
    function transfer(address to, uint256 value) public returns (bool success) {
        require(balanceOf[msg.sender] >= value);
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