public static void Main()
int[] prices = {2,3,10,6,4,8,1};
for (int i=0; i< prices.Length-1; i++) {
if (prices[i+1]>prices[i]) {
Console.WriteLine("value for loop number is {0}",i);
total += prices[i+1]-prices[i];
Console.WriteLine("Total value is {0}",total);