Task: Program Execution
Input (English): 1407 7943 D 8881 5275 5733 m 1375 C 7311 x X z 4927 159 1131 D Z I 1793 6671 9641 873 q j M E M 2131 b 9169 2963 G
Output (English): 1, 2, 4, 5, 6, 8, 10, 14, 15, 16, 20, 21, 22, 23, 29, 31, 32