Task: Program Execution
Input (English): I 8057 6837 B w 4197 685 2309 X N f 7105 4197 7625 P y Z j j 2777 4621 1541 7275 5385 Z
Output (English): 2, 3, 6, 7, 8, 12, 13, 14, 20, 21, 22, 23, 24