Task: Program Execution
Input (English): 4, ['o', 'X', '1599', '6491', 'n', '71', 'm', 'W', 'M', 'v', 'f', '4813', 'q', '999', '5207', 's', '5623', '3201', '6055', 'E', '9199', 'k', '3937', 'f', '5157', '8105', 'N', '2471', 'U', '2713', 'J', 'o', '1473', '5021', '2973', '2401', '663', 'R']
Output (English): o, n, M, q, 5623, 9199, 5157, U, 1473, 663