var hold = {price : 0, amount : 0}
var _Gear = 0
function main(){
    var initAccount = _C(exchange.GetAccount)
    Log(initAccount, "#FF0000")
    while(1){
        var ticker = _C(exchange.GetTicker)
        if(hold.amount == 0){
            var firstInfo = $.Buy(_FirstAmount)
            hold.amount = firstInfo.amount
            hold.price = firstInfo.price
        } else {