Task: Program Execution
Input (English): 5, ['K', '7977', 'e', 'P', '3857', '7269', 'v', 'p', 'y', '4145', 'B', '3783', '2693', '9643', 'K', 'a', '7931', '117', '7545', 'X', 'y', 'p']
Output (English): K, 7977, e, P, 3857