Task: Program Execution
Input (English): 7557 493 b n 7125 r J W 8707 7715 5195 9357 711 6517 9173 u W 5581 D 5273 8993 g m V E C 9377 S 1799 Z
Output (English): 1, 2, 5, 9, 10, 11, 12, 13, 14, 15, 18, 20, 21, 27, 29