function CancelPendingOrders() {
    var orders = _C(exchange.GetOrders);
    for (var j = 0; j < orders.length; j++) {
        exchange.CancelOrder(orders[j].Id, orders[j]);
    }
}
function main() {
    Log('robot starts to run')
    if(BUYPRICE >= SELLPRICE){
        throw 'check buy and sell price'
    }
    CancelPendingOrders()