Task: Program Execution
Input (English): 3643 9859 C 8301 7571 939 4343 M i C 3999 4249 5971 4591 q 3605 I 3055 j I 4059 4507 919 8147 2103 O v
Output (English): C, M, i, C, q, I, j, I, O, v