Task: Program Execution
Input (English): 5661 4031 t h 5789 5215 9447 r j I 5749 1879 O 3837 Y 673 3431 407 6257 7917 3309 z s 9831 9483 X 887 4133 p 3327 Y 9349 k 5713 y u
Output (English): 1, 2, 5, 6, 7, 11, 12, 14, 16, 17, 18, 19, 20, 21, 24, 25, 27, 28, 30, 32, 34