Task: Program Execution
Input (English): H D Y 7469 G e M b 9157 F 4097 n V 4691 6179 8107 i 641 6395 695 H 7579 2543 3447 4373 6989 E 6129
Output (English): 4, 9, 11, 14, 15, 16, 18, 19, 20, 22, 23, 24, 25, 26, 28