Task: Program Execution
Input (English): 1, 3, ['5923', 'Y', '6541', 'k', 'U', 'p', '2503', 'M', '385', 'k', '2675', 'g', 'K', '1921', 'x', 'K', '9723']
Output (English): 5923, k, 2503, k, K, K