Task: Program Execution
Input (English): 7803 F 105 3475 t D r I M T e 4807 f 4595 i J Y 1625 3627 l K i R H u 5225 2339 1413 H B M Z B a
Output (English): 1, 3, 4, 12, 14, 18, 19, 26, 27, 28