Task: Program Execution
Input (English): u 4743 805 6957 S 8989 D 683 6141 4809 5725 c N E J 2743 5973 1727 y Z 7613 Z 9453 W A 2979 H 267 g 3319 K
Output (English): 1, 5, 7, 12, 13, 14, 15, 19, 20, 22, 24, 25, 27, 29, 31