Task: Program Execution
Input (English): C 1127 W Y 8081 5191 3705 v J H 4871 Y 7379 I 1189 4173 8825 f 6689 v 111 2861 1743 y G 7325 K 8879 q 879 6245 X 1371 4299 i 5141 9809 9701 l X
Output (English): 2, 5, 6, 7, 11, 13, 15, 16, 17, 19, 21, 22, 23, 26, 28, 30, 31, 33, 34, 36, 37, 38