Task: Program Execution
Input (English): 5855 6573 O i 1285 a x d 5923 G 6687 x K Z K 7409 M 4143 4945 1899 V 3795 6089 j 5385 i z r
Output (English): 3, 4, 6, 7, 8, 10, 12, 13, 14, 15, 17, 21, 24, 26, 27, 28