Task: Program Execution
Input (English): 11, 14, ['u', 's', '8505', '6473', 'u', 'z', 'd', 'V', '4447', '6341', 'U', 'Q', '3539', 'C', 'T', 'K', '745', 'v', 'm', '1871', 'k']
Output (English): C, 3539, Q, U