Task: Program Execution
Input (English): J 2433 z V I 3755 7263 4649 P 9491 9569 7827 8149 4767 m 1579 1599 b O R 8733 3663 9653 9475 a X 1629
Output (English): 1, 3, 4, 5, 9, 15, 18, 19, 20, 25, 26