Task: Program Execution
Input (English): F D 1649 3149 6013 e j m 8369 x v 67 6181 c 4763 g u 6781 g g 1101 4119 3839 V p Y
Output (English): 3, 4, 5, 9, 12, 13, 15, 18, 21, 22, 23