Task: Program Execution
Input (English): 307 9359 X D 6109 c 2675 s 5463 8637 7545 9189 4807 1867 t t d 9767 u 7835 f l 9583 9601 K 4809 U m A 8279
Output (English): 3, 4, 6, 8, 15, 16, 17, 19, 21, 22, 25, 27, 28, 29