using System;
 
public class Test
{
	public static void Main()
	{
		// your code goes here
		int[] thresholds = new int[4] {100, 500, 1000, 1500};
		int difficulty = 0;
		int score = 0;
 
		for (score = 0; score <= 3000; score++) {
			for (int x = 0; x < thresholds.Length; x++)
			{
				if (score % thresholds[x] < score && difficulty < x + 1) { 
					difficulty = x + 1;
					Console.WriteLine("Score: " + score + " Threshold: " + thresholds[x] + " Difficulty: " + difficulty + " Increased difficulty!");
					break; 
				}
			}
		}
	}
}

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