Task: Program Execution
Input (English): 5543 Z l 5161 j 9785 4553 W 4185 c 1137 2513 l 7431 1683 X 9125 5299 1179 E b 645 6261 8515 t 249 9285 z 5731
Output (English): 2, 3, 5, 8, 10, 13, 16, 20, 21, 25, 28