Task: Program Execution
Input (English): 4, 7, ['1465', '5371', 'l', 'T', '7321', 'Q', 'y', '4043', '1231', '8365', '7543', '6045', 'i', '6119', '4987', 'f', 'I', 'a', '533', '7281']
Output (English): yQ7321T