Task: Program Execution
Input (English): 6547 F 8913 K f u 8431 2799 863 9881 3831 4479 v o 1999 D 1545 K 6435 U j S S V 3667 1603 p 4691 m u 2527 1243 x 4767 F 5331 J 4169
Output (English): 2, 4, 5, 6, 13, 14, 16, 18, 20, 21, 22, 23, 24, 27, 29, 30, 33, 35, 37