Task: Program Execution
Input (English): 5, 14, ['147', 'U', '6839', '9893', '1657', 'F', '7553', 'x', 'j', 'x', '4949', '8665', '6483', 'K', '1209', 'A', 'z', '7601']
Output (English): K648386654949xjx7553F1657