Task: Program Execution
Input (English): y 621 f 5745 S 4955 7463 8745 b 8057 2753 2965 4797 9155 2831 Y T 6245 7045 4883 Q 9219 F K J D 215 6573 1165 t X 9889 7419 F U 1163
Output (English): 2, 4, 6, 7, 8, 10, 11, 12, 13, 14, 15, 18, 19, 20, 22, 27, 28, 29, 32, 33, 36