Task: Program Execution
Input (English): 6875 8619 P U 5343 a 4783 g u T 6681 7691 O 8513 4265 y t 3121 X 1083 l I 5329 O i 5459 h 2875 y 3793 A 5331
Output (English): 1, 2, 5, 7, 11, 12, 14, 15, 18, 20, 23, 26, 28, 30, 32