Task: Program Execution
Input (English): W, 9573, 1017, 4801, 7989, 8415, A, 4715, 6049, 2029, s, b, 5241, 6883, B, 6023, s, a, 6293, 2009
Output (English): 2, 3, 4, 5, 6, 8, 9, 10, 13, 14, 16, 19, 20