Task: Program Execution
Input (English): 2, 7, ['F', '8629', '2011', '8863', '6013', 'K', 'p', 'l', 'x', '5401', '9427', 'D', '1861', '3599', '2561', 'p', '9137', '253', '439', 'v']
Output (English): p, K, 6013, 8863, 2011, 8629