class Ideone {
	public static void main(String[] args) {
		int[] data = { 10, 8,
		               1, 1, 4, 2,
		               2, 4, 6, 4,
		               4, 2, 5, 0,
		               4, 3, 4, 5,
		               5, 2, 6, 1,
		               3, 5, 4, 2,
		               6, 4, 6, 5,
		               7, 2, 6, 1 };
		trees(data);
	}
	private static int W, H;
	public static String[] trees(int[] input) 
	{
		W = input[0];
		H = input[1];
 
		int x1, x2, y1, y2;
 
		for (int i = 2; i < input.length; i+=4) 
		{
			x1 = input[i];
			x2 = input[i + 1];
			y1 = input[i + 2];
			y2 = input[i + 3];
 
			System.out.println(x1 + x2 + y1 + y2);
		}
		return null;
	}
}

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