Task: Program Execution
Input (English): d 557 Z E 5291 R 7735 S 9715 7579 6717 3941 4095 8593 7613 F I 6937 h 397 H w y M 3299 u O m 1405 t
Output (English): 2, 5, 7, 9, 10, 11, 12, 13, 14, 15, 18, 20, 25, 29