class Ideone
{
	public static void main (String[] args) {
		System.out.println(days()[dow(8,10,2015)]);
	}
	public static String[] days() {
		return new String[] { 
		  "Sunday", "Monday", "Tuesday", "Wednesday", 
		  "Thursday", "Friday", "Saturday"
		};
	}
	public static int dow(int d, int m, int y) {
	  if (m < 3) {
	    m += 12;
	    y--;
	  }
	  return (d + (int)((m+1)*2.6) +  y + (int)(y/4) + 6*(int)(y/100) + (int)(y/400) + 6) % 7;
	}
}

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