Task: Program Execution
Input (English): h, y, z, 3323, h, 6553, 497, m, 657, 2341, X, 1939, 9017, i, 3835, z, t, 7485, q, Q, 8797, 7193, B
Output (English): 1, 2, 3, 5, 8, 11, 14, 16, 17, 19, 20, 23