Task: Program Execution
Input (English): 1, 15, ['u', '4285', 'P', '7785', '9263', '4319', 'x', 'e', 'A', 'N', 'h', 'R', 'L', 'a', '7171', 't']
Output (English): u4285P778592634319xeANhRLa7171