Task: Program Execution
Input (English): 4165, n, l, 8897, 2541, A, 1041, 5593, g, 8579, 1241, h, 6129, j, 4439, q, l, M, 1399, 5225, 1317, p, 9279, z
Output (English): 1, 4, 5, 7, 8, 10, 11, 13, 15, 19, 20, 21, 23