How to become YouTube

Here's my code:

int pinNumbers[8] = {6,7,8,9,10,11,12, 13 };
int brightnessLvls[8] = { 0 , 0 , 0 , 0 , 0 , 1 , 100 , 200 };
int sumAll;
boolean currLedValue = LOW; int k=0; int brighnessLevel = 10;

void setup(){
for (int k=0; k