Task: Program Execution
Input (English): 2497 w 8707 9767 5201 2725 2115 4341 W d s O m P 2195 B 9595 2209 W t y k a U 1297 z 4257 5433 l 9955
Output (English): 1, 3, 4, 5, 6, 7, 8, 15, 17, 18, 25, 27, 28, 30