Task: Program Execution
Input (English): 4, ['u', 'J', 'J', '2773', '3755', '1657', 'p', '2413', 'B', 'm', 'x', 'p', 'i', '2623', '4149', '2819']
Output (English): u, J, J, 2773, 3755, 1657, p, 2413, B, m, x, p