pragma solidity ^0.4.24;


contract DaysBank {

mapping(address => uint) public balanceOf;

mapping(address => uint) public gift;

address owner;


public constructor()
{
        owner = msg.sender;
    }


event SendFlag(uint256 flagnum, string b64email);

public function payforflag(string b64email)
{
        require(balanceOf[msg.sender] >= 10000);
        emit SendFlag(1,b64email);
    }