Task: Program Execution
Input (English): S E q 5637 5049 e 2501 1519 W 3087 2829 9125 g U o y 8505 1491 27 997 4603 o Q g c 505 v 5035 6553 2011
Output (English): 4, 5, 7, 8, 10, 11, 12, 17, 18, 19, 20, 21, 26, 28, 29, 30