Task: Program Execution
Input (English): 757 u 1021 y 7733 f 1125 3325 6039 E U 2727 k j 3933 K L 3315 4537 9947 K 4437 X 7303 6417 2891 9835 5423 G A 8911 4803
Output (English): 1, 3, 5, 7, 8, 9, 12, 15, 18, 19, 20, 22, 24, 25, 26, 27, 28, 31, 32