s = array1d(1..225, [9, 0, 0, 8, 2, 11, 0, 0, 0, 0, 3, 0, 0, 0, 4, 0, 0, 13, 0, 1, 0, 0, 0, 0, 5, 14, 10, 0, 0, 7, 0, 10, 1, 0, 0, 0, 3, 0, 0, 0, 0, 4, 7, 2, 11, 0, 13, 0, 1, 0, 8, 0, 4, 0, 0, 0, 0, 2, 14, 0, 0, 0, 0, 0, 3, 4, 0, 9, 0, 13, 0, 7, 0, 0, 6, 5, 11, 0, 0, 0, 6, 4, 0, 0, 0, 1, 12, 3, 0, 0, 3, 2, 0, 7, 0, 0, 14, 13, 10, 0, 0, 0, 0, 12, 0, 0, 0, 0, 0, 0, 0, 2, 0, 4, 10, 5, 0, 0, 3, 9, 0, 0, 5, 0, 0, 0, 1, 0, 11, 7, 0, 2, 0, 4, 13, 4, 0, 2, 0, 0, 0, 10, 11, 0, 0, 12, 0, 13, 0, 8, 0, 0, 0, 3, 0, 5, 0, 0, 0, 11, 6, 0, 12, 10, 0, 8, 0, 10, 14, 9, 3, 0, 0, 12, 0, 0, 0, 0, 7, 0, 0, 5, 7, 10, 14, 0, 8, 0, 2, 0, 0, 11, 0, 0, 0, 7, 1, 0, 0, 13, 0, 0, 2, 6, 9, 0, 0, 0, 0, 0, 14, 7, 12, 0, 11, 0, 0, 8, 0, 0, 0, 0, 9, 0, 0]);
n = 15;