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