Task: Program Execution
Input (English): 8, ['5397', '9653', 'B', '2459', '2247', 'p', 'S', 'o', 'O', 'P', 'L', 'Z', 'a', 'H', 'e', 'd', 'k', '6937', '6389', '3957', '4745', 'E', 'I']
Output (English): O, P, L, Z, a, H, e, d, k, 6937, 6389, 3957, 4745, E, I