Task: Program Execution
Input (English): s L 9837 7645 I C 6349 f M x 9715 V 5269 951 7119 6897 6831 c n N Q f 5027 a z 3187
Output (English): 3, 4, 7, 11, 13, 14, 15, 16, 17, 23, 26