Task: Program Execution
Input (English): 9, 10, ['1929', '1461', 'l', '5007', '6535', '8683', '1031', 'Q', '9937', 'o', 'b', 'g', '493', 'N', '9157', '2781', '1227', 'C', '8195', '5751', 'W', 'q', '7611']
Output (English): o9937