Task: Program Execution
Input (English): z 5487 z W c 9929 957 p A 5725 e m m E 9291 8361 685 g j i 2187 R 4961 5977 9629 H K I C s i M K
Output (English): 1, 3, 4, 5, 8, 9, 11, 12, 13, 14, 18, 19, 20, 22, 26, 27, 28, 29, 30, 31, 32, 33