Task: Program Execution
Input (English): l 7615 L a 2545 4451 2377 t 209 2551 m 6361 Q 8083 o 5361 8253 n 6183 G 1981 8965 n e o B p 6931
Output (English): 2, 5, 6, 7, 9, 10, 12, 14, 16, 17, 19, 21, 22, 28