Task: Program Execution
Input (English): 2, 7, ['L', '8171', '5243', 'K', '1069', 'o', '3517', 'Z', 'C', '3257', 'z', '4771', 'e', 'i', '1815', '7959', 'N', 'P', '83', 'O', '2053', '3153', '2091', '7127']
Output (English): 8171, C, 7959, 2091