Task: Program Execution
Input (English): A, 6663, W, S, 3517, 9939, 4837, 2975, 8475, b, W, 1443, D, a, 8095, 5371, U, z, M, 5411, 7595, 9925
Output (English): 1, 3, 4, 10, 11, 13, 14, 17, 18, 19