Task: Program Execution
Input (English): I r I 9915 s Q B 2859 4649 8215 a 247 l u B i 2205 5347 x 4849 7109 4701 7595 K m 8717 O F
Output (English): 1, 2, 3, 5, 6, 7, 11, 13, 14, 15, 16, 19, 24, 25, 27, 28