Task: Program Execution
Input (English): k Z 3943 257 8443 F r d D 1835 g 9165 1363 R 2601 B 9109 1097 u 9847 o 2829 G 7001 u h B
Output (English): 1, 2, 6, 7, 8, 9, 11, 14, 16, 19, 21, 23, 25, 26, 27