Task: Program Execution
Input (English): 4, ['Q', 'F', '3297', 'E', 'E', 'y', '5517', 'a', 'U', 'R', 'F', '1915', '4665', 'j', '1183', 'f', 'K', '315', '4933', '9235', 'c', '3829', 'Y']
Output (English): Q, E, U, 4665, K, c