Task: Program Execution
Input (English): x 4545 6651 a 485 5 2081 6123 r 983 8921 J R U 3619 B Y 4707 8799 9327 t f 7111 I D 4875 c 4673 8059 7689 X 703 Q
Output (English): 2, 3, 5, 6, 7, 8, 10, 11, 15, 18, 19, 20, 23, 26, 28, 29, 30, 32