Task: Program Execution
Input (English): 5, 4, ['4833', 'S', '8001', '8051', 'K', 'Y', 'n', 'M', 'd', 'g', '1047', '4139', 'u', '2073', 'd', '1057', 't', '7535', '9429', '2703', 'W', '6243', 'S', 'C', 'S']
Output (English): K, d, u, t, W, S