Task: Program Execution
Input (English): y 6373 1729 1253 X D P X t 2669 C y O k 503 8611 N 643 f 7629 8923 X s 427 893 u 491 6201 6719 8809 L 4311 9093 5867 2919 y
Output (English): 1, 5, 6, 7, 8, 9, 11, 12, 13, 14, 17, 19, 22, 23, 26, 31, 36