Task: Program Execution
Input (English): 4785 1421 6419 Y I R Q y 5421 5601 9899 g 3353 w E 8879 A 4921 5655 U 3991 389 T 7029 1745 E
Output (English): 1, 2, 3, 9, 10, 11, 13, 16, 18, 19, 21, 22, 24, 25