Task: Program Execution
Input (English): 4, ['u', 'U', 'M', 'L', 'Q', '5037', '5397', 'q', 'O', '6267', '5735', '4797', 'k', '8771', '2743', '5903', '6397', 'C', '561', '2821', 'f', '3221', '6661', '5813', 'k', '139', '5927', '2271', 'z', 'K', 'q', '1067']
Output (English): u, Q, O, k, 6397, f, k, z