Task: Program Execution
Input (English): X S B 1203 6635 D k 9535 Z I G l 6069 z I P 8265 I L 8041 R 8975 4411 5231 4657 8173 z
Output (English): 1, 2, 3, 6, 7, 9, 10, 11, 12, 14, 15, 16, 18, 19, 21, 27