Task: Program Execution
Input (English): 1579 6467 F 1403 Q k 6125 3477 4425 S G 5899 2285 Z n j 7551 O 3613 3091 Q B 353 9923 6061
Output (English): 3, 5, 6, 10, 11, 14, 15, 16, 18, 21, 22