Task: Program Execution
Input (English): 7, ['6739', 'W', 'o', 'E', '147', '7999', 'x', '133', 'C', '3347', '773', 'Y', '8075', '1585', '8153', 'J', '6209', '3587', 'x', 's', 'R', '2355', 'W', '5719', 'U', 'n']
Output (English): 6739, W, o, E, 147, 7999, x