Task: Program Execution
Input (English): 3, 7, ['8581', 'x', '2463', '1137', '5213', 'f', 'O', '3329', '5261', '97', 'o', 'S', '8773', '8145', 'E', '8315', '979', 'C', '9363', 'K', 'C', 'u', '91', 'R', 'K', '1547', 'D', '5843']
Output (English): 2463, 1137, 5213, f, O