Task: Program Execution
Input (English): 9, ['3867', '4011', '2799', 'O', '2837', '2111', 'D', '5063', '9343', '2163', '5801', 'C', 'I', '2049', '5951', 'x', '7263', '3491', '4139', 'c', 'r', 'W', 'r', '6661', 'm', '9995', 'o']
Output (English): 3867, 2163, 4139