Task: Program Execution
Input (English): D a B 2217 2277 4247 T 7931 3231 E 9807 O 2369 O c 3557 1625 5363 U d i 1289 R 335 6105 u 8699 X
Output (English): 4, 5, 6, 8, 9, 11, 13, 16, 17, 18, 22, 24, 25, 27