Task: Program Execution
Input (English): 18, 19, ['5317', '1453', 't', '5043', '4585', '2185', 'h', 'b', '4573', 'A', '3319', '2283', 'J', 'l', 'x', '6839', 'M', '4061', 'z']
Output (English): 4061z