Task: Program Execution
Input (English): h f b 1969 K 5763 9489 T i m y A 3729 5395 2759 x 6435 7755 Z 3253 8653 u 8377 99 K n
Output (English): 4, 6, 7, 13, 14, 15, 17, 18, 20, 21, 23, 24