Task: Program Execution
Input (English): 4, ['4941', '3415', '8365', 'k', 'n', 'f', 'h', 'r', '3215', '1411', '1257', '1645', '7823', 'T', 'T', 'Q', 'd', '1553', '5329']
Output (English): 4941, 3415, 8365, k