Task: Program Execution
Input (English): E 6779 7979 r 83 Z D 8235 6167 M O 5177 K 5917 X c X 2029 I 8435 8761 K 901 C 8421 1031 2235 4471 6725 6243 2241 2919 W u a x Q J
Output (English): 1, 4, 6, 7, 10, 11, 13, 15, 16, 17, 19, 22, 24, 33, 34, 35, 36, 37, 38