Task: Program Execution
Input (English): 6, ['Q', '5469', '155', 'C', 'Y', 'z', 'X', 'J', '4529', '5939', '3619', 'k', '6437', '1007', '9813', 'U']
Output (English): X, J, 4529, 5939, 3619, k, 6437, 1007, 9813, U