Task: Program Execution
Input (English): 4, 5, ['3597', '9233', '1419', 'R', 'K', '3951', '2353', '6381', '6255', '3159', 'A', 'Y', 'a', 'l', 'a', 's', '6481', '7465', 'z', '2391', '4033', '9605']
Output (English): R, 6255, l, z