Task: Program Execution
Input (English): 7221 8355 x 8685 5003 l d A z 6377 6857 6775 781 6955 d 7921 P S x A S 2937 y 3935 3377 Y O 2473 2225 3843 d J R o 1845 3233 4563 4121 j
Output (English): 1, 2, 4, 5, 10, 11, 12, 13, 14, 16, 22, 24, 25, 28, 29, 30, 35, 36, 37, 38