Task: Program Execution
Input (English): 6, 13, ['9229', '7353', 'X', '883', '997', '1931', '5483', 'u', 'a', 'Z', '955', 'Z', '8233', 'L', '4399', '1543', 'X', '6881']
Output (English): 19315483uaZ955Z8233