Task: Program Execution
Input (English): 9101 9357 4875 7797 h G t 6667 6327 1787 Y 2157 465 a H B 319 6075 P 7363 s 6695 x X A 3437 n C n O 9717 1221 3455
Output (English): 1, 2, 3, 4, 8, 9, 10, 12, 13, 17, 18, 20, 22, 26, 31, 32, 33