Task: Program Execution
Input (English): L S A 2227 4469 J t 6861 W 5689 b O z f 7351 7779 I K 9759 7715 e A 5687 8415 2555 V 8261 h
Output (English): 1, 2, 3, 6, 7, 9, 11, 12, 13, 14, 17, 18, 21, 22, 26, 28