Task: Program Execution
Input (English): 1257 U o 4737 L 8225 8981 E 1165 9847 4889 8019 H w m G K o S R 3299 Z l m K D 6729 D l 1563 5985 p q V
Output (English): 1, 4, 6, 7, 9, 10, 11, 12, 21, 27, 30, 31