Task: Program Execution
Input (English): 1703 3253 D K 6035 1183 v 3339 v g 8657 9091 5331 6471 2599 7133 5373 7987 u 9497 A W v M v M
Output (English): 1, 2, 5, 6, 8, 11, 12, 13, 14, 15, 16, 17, 18, 20