Task: Program Execution
Input (English): s j 2497 P 8543 3883 8261 X f 1187 6039 A r n 2707 8233 x V B 2695 5577 3365 9403 2831 8581 L W
Output (English): 3, 5, 6, 7, 10, 11, 15, 16, 20, 21, 22, 23, 24, 25