Task: Program Execution
Input (English): u U 3497 M n 4879 579 7211 7143 e 4153 O 4855 5637 Z u 6641 301 A w 4731 6601 i 4285 T s X g
Output (English): 1, 2, 4, 5, 10, 12, 15, 16, 19, 20, 23, 25, 26, 27, 28