Task: Program Execution
Input (English): 9, ['Y', 'z', 'r', 'J', '8929', 'y', 'J', '6423', 'L', 'U', 'W', '4919', '3149', 'b', 'm', 'W', '935', '1021', 'W']
Output (English): Y, z, r, J, 8929, y, J, 6423, L, U