Task: Program Execution
Input (English): 1, 7, ['k', '5831', '5123', '2685', '9917', 'V', 'e', 'S', 'x', 'U', '7117', '8251', 'p', 'Q', 'Q', '1871', 'V', 'E', 'b', 'L', 'a', '693', '8297', 'r', 'y', 'U', '9771', 'r', 'x', 'W']
Output (English): k, S, Q, 693, x