Task: Program Execution
Input (English): 7723 121 B 8877 L 6131 5321 9153 z 983 E 1277 x 9873 L 6385 1469 Z p t Y 7267 2003 Q A 6909 9071 7705 975 9275 T 4711 X 7021 o
Output (English): 3, 5, 9, 11, 13, 15, 18, 19, 20, 21, 24, 25, 31, 33, 35