Task: Program Execution
Input (English): X 55 3279 7657 8869 6485 445 R 9405 2529 y 2423 8621 8763 S K 9729 57 3791 8447 z q x s V g 3329 1689 1903
Output (English): 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 17, 18, 19, 20, 27, 28, 29