Task: Program Execution
Input (English): s C 8169 y A x a 7905 3239 f 703 145 j Y 8045 O 2873 y 7473 8117 3333 6071 7861 5275 3429 f n T 6505
Output (English): 1, 2, 4, 5, 6, 7, 10, 13, 14, 16, 18, 26, 27, 28