Task: Program Execution
Input (English): 1, ['4207', 'r', '839', 'd', '2289', 'U', '2989', '3563', '4587', 'b', '7065', '6049', '551', 'K']
Output (English): r, 839, d, 2289, U, 2989, 3563, 4587, b, 7065, 6049, 551, K