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