Task: Program Execution
Input (English): w 1257 6539 1451 8673 4879 X B 2245 m 1899 Y a 9389 3571 2001 2001 y 4553 8469 j F 8529 5445 o 8893 l R 8361 o 7093 C 7775
Output (English): 2, 3, 4, 5, 6, 9, 11, 14, 15, 16, 17, 19, 20, 23, 24, 26, 29, 31, 33