Task: Program Execution
Input (English): 1, 2, ['f', '2087', '5237', '103', '6285', '2523', 'h', 'z', 'r', 'q', '7601', '209', '6639', '6629', '5403', '1241', '4581', '8023', '6741', 'i', '8333', '8885']
Output (English): f2087