Task: Program Execution
Input (English): 15, ['2521', 'l', 'b', '9459', '8547', 'a', '4127', '3569', '419', '3393', 'A', 'C', '8051', 'v', 'V', '8649', 'e', 'j', '1155', 'F', 'b', 'R', '3565', 'q', '2993', 'I', 'Q', '1347', 'z', 'u', '1887', 'u', 'C', 'F', '2513', '4559', '1763', 'V', 'J', '7095', 'y', '2483', '8185', 'T', '7091', '5307', 't', 'A']
Output (English): 2521, 8649, 1887, 5307