Task: Program Execution
Input (English): 4, ['a', '621', '5341', 'k', 'c', '5261', 't', '3081', 'w', '2109', '1605', 'e', '8791', '2961', 'H', 'r', '7527', '6327', '3965', '8197']
Output (English): a, c, w, 8791, 7527