function run()
{
vars Close = series(priceClose());
vars SMA200 = series(SMA(Close,200));
vars SMA20 = series(SMA(Close,20));
vars Price_diff200 = series((abs(Close - SMA200) / float(Close)) * 100.0);
if(Price_diff200 > 2.0)
if(SMA20 < SMA200)
enterLong();
else if(SMA20 > SMA200)
enterShort();
}