Task: Program Execution
Input (English): 6, ['P', 'K', 'V', 'S', '1887', '1137', '9391', 'r', '2723', '5847', '2999', '9931', '3831', '5803', '3705', 'C', 'z', '9897', 'j', '43', 'z', '9809', '3141']
Output (English): P, K, V, S, 1887, 1137