using System; class PriceChangeAlert { static void Main() { int n = int.Parse(Console.ReadLine()); double threshold = double.Parse(Console.ReadLine()); double last = double.Parse(Console.ReadLine()); for (int i = 0; i < n - 1; i++) { double price = double.Parse(Console.ReadLine()); double diff = Proc(last, price); bool isSignificantDifference = isDiff(diff, threshold); string message = Get(price, last, diff, isSignificantDifference); Console.WriteLine(message); last = price; } } private static string Get(double price, double last, double change, bool etherTrueOrFalse) { string result = ""; if (change == 0) { result = string.Format("NO CHANGE: {0}", price); } else if (!etherTrueOrFalse) { result = string.Format("MINOR CHANGE: {0} to {1} ({2:F2}%)", last, price, change * 100); } else if (etherTrueOrFalse && (change > 0)) { result = string.Format("PRICE UP: {0} to {1} ({2:F2}%)", last, price, change * 100); } else if (etherTrueOrFalse && (change < 0)) result = string.Format("PRICE DOWN: {0} to {1} ({2:F2}%)", last, price, change * 100); return result; } private static bool isDiff(double threshold, double isDiff) { if (Math.Abs(threshold) >= isDiff) { return true; } return false; } private static double Proc(double last, double price) { double res = (price - last) / last; return res; } }