Task: Program Execution
Input (English): 1, 8, ['z', '1333', '5137', '4397', 'H', '8909', '5323', 'e', 'j', 'E', 's', 'W', 'k', 'z', '7521', 'O', '5439', 'o', '3357', 'L', '9809', '7643', 'c', 'N', 'K']
Output (English): z, j, 5439, K