Task: Program Execution
Input (English): 20, ['3519', 'Y', '9685', 'z', '8797', '1173', 'm', '4417', '8947', 'n', '1699', 'd', '5245', 'f', 'x', '5997', '9489', '8985', '3219', 'x', '3745', 'T', '5777', '6857', 'w', '1097', 'l', '6457', '9463', 'H', 'W', 'f', '3707', 'a', '1901', '2629', 'X', 'u', '5715', 'z', 'W', 's', 'F', '6461', 'o', '4663']
Output (English): 3519, 3745, W