Task: Program Execution
Input (English): C l 1445 m 5973 8411 4653 7213 4893 P b 5017 4753 679 523 G s b P q 8705 a B 7913 T 4865 8039 95 8937 u G r Q i 7497 c 507 U k
Output (English): 3, 12, 1445, 13, 5973, 8411, 4653, 7213, 4893, 16, 2, 5017, 4753, 679, 523, 7, 19, 2, 16, 17, 8705, 1, 2, 7913, 20, 4865, 8039, 95, 8937, 21, 7, 18, 17, 9, 7497, 3, 507, 21, 11