Task: Program Execution
Input (English): 8851 F 6949 L 3153 F 8343 779 1289 y 531 J H X b 2639 6125 u H 2799 B I 3871 3873 T
Output (English): 1, 3, 5, 7, 8, 9, 11, 16, 17, 20, 23, 24